Buchkapitel (351)

5351.
Buchkapitel
Gail, H.-P. und Hoppe, P.: The origins of protoplanetary dust and the formation of accretion disks, in Protoplanetary Dust: Astrochemical and Cosmochemical Perspectives, herausgegeben von D. Apai und D. S. Lauretta, S. 27–65, Cambridge University Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-81D0-7, 2010.
5352.
Buchkapitel
Hoppe, P.: Stardust in meteorites and IDPs: Current status, recent advances, and future prospects, in Cosmic Dust - Near and Far, herausgegeben von T. Henning, E. Grün, und J. Steinacker, S. 148–156, Astronomical Society of the Pacific, San Francisco / CA. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-81D2-3, 2010.
5353.
Buchkapitel
McLeod, A. und Keppler, F.: Methane from vegetation, in Methane and Climate Change, herausgegeben von D. Reay, P. Smith, und A. van Amstel, S. 74–96, Earthscan Ltd, London, UK. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-81E4-C, 2010.
5354.
Buchkapitel
Ott, U.: The most primitive material in meteorites, in Astromineralogy. Lecture Notes in Physics 815, herausgegeben von T. Henning, S. 277–311, Springer-Verlag, Berlin Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-81DA-4, 2010.
5355.
Buchkapitel
Sinha, B. W. und Hoppe, P.: Ion microprobe analysis: Basic principles, state-of-the-art instruments and recent applications with emphasis on the geosciences, in Nanoscopic Approaches in Earth and Planetary Sciences. EMU Notes in Mineralogy Vol. 8, herausgegeben von F. E. Brenker und G. Jordan, Eötvös Press, Budapest. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-81D4-0, 2010.
5356.
Buchkapitel
Anderson, T. L., Ackerman, R. A., Harmann, D. L., Isaac, G. A., Kinne, S., Masunaga, H., Norris, J. R., Pöschl, U., Schmidt, K. S., Slingo, A. und Takayabu, Y. N.: Temporal and Spatial Variability of Clouds and Related Aerosols, in Clouds in the Perturbed Climate System: Their Relationship to Energy Balance, Atmospheric Dynamics, and Precipitation, herausgegeben von J. Heintzenberg und R. J. Charlson, S. 127–147, MIT Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8371-F, 2009.
5357.
Buchkapitel
Andreae, M. O., Hegg, D. und Baltensperger, U.: Sources and nature of atmospheric aerosols, in Aerosol pollution impact on precipitation: A scientific review, herausgegeben von Z. Levin und W. R. Cotton, S. 45–89, Springer, Dordrecht. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8373-B, 2009.
5358.
Buchkapitel
Crutzen, P. J., Mosier, A., Smith, K. und Winiwarter, W.: Atmospheric N2O Releases from Biofuel Production Systems: A Major Factor Against "CO2 Emission Savings": A Global View, in Twenty Years of Ozone Decline. Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol, herausgegeben von C. Zerefos, G. Contopoulos, und G. Skalkeas, S. 67–70, Springer, Dordrecht. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-831D-F, 2009.
5359.
Buchkapitel
Falahat, S., Couder, M., Görres, J., Kratz, K.-L., O’Brien, S., Ott, U., Pignatari, M., Stech, E. und Wiescher, M.: The reactions 25Mg(a,n)28Si, 26Mg(a,n)29Si and their possible impact on nucleosynthesis, in Capture Gamma-Ray Spectroscopy and Related Topics, 13th International Symposium; AIP Conference Proceedings Vol. 1090, herausgegeben von A. Blazhev, J. Jolie, N. Warr, und A. Zilges, S. 303–307, American Institute of Physics, Melville, NY. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8387-1, 2009.
5360.
Buchkapitel
Frebel, A. und Kratz, K.-L.: Stellar age dating with thorium, uranium and lead, in The Ages of Stars. Proceedings IAU Symposium No. 258, Oct. 2008, herausgegeben von E. E. Mamajek, D. R. Soderblom, und R. F. G. Wyse, S. 449–455, Cambridge University Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-838B-A, 2009.
5361.
Buchkapitel
Gucsik, A.: Shock Metamorphism of Terrestrial Impact Structures and its Application in the Earth and Planetary Sciences, in Cathodoluminescence and its Application in the Planetary Sciences, herausgegeben von A. Gucsik, S. 23–44, Springer-Verlag, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-838D-6, 2009.
5362.
Buchkapitel
Gucsik, A.: Cathodoluminescence Microscopy and Spectroscopy of Planar Deformation Features of Shocked Zircon from the Vredefort Impact Structure, South Africa, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 96–105, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8407-8, 2009.
5363.
Buchkapitel
Gucsik, A., Bérczi, S., Okumura, T., Nishido, H., Ninagawa, K. und Nagy, S.: Scanning Electron Microscope-Cathodoluminescence Properties of Fayalite and Forsterite from Kaba CV3 Chondrite: Application to Mineralogy of IDPs, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 168–174, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8409-4, 2009.
5364.
Buchkapitel
Gyollai, I., Nagy, S., Fürj, J., Bérczi, S., Gucsik, A. und Veres, M.: Petrographic and Micro-Raman Study of Thermal and Shock Metamorphism in Mezömadaras, Knyahinya and Mocs L-Chondrites, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 75–85, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8415-8, 2009.
5365.
Buchkapitel
Hauptmann, A., Khalil, L. und Schmitt-Strecker, S.: Evidence of Late Chalcolithic / Early Bronze Age I Copper Production from Timna Ores at Tall al-Magass, Aqaba, in Prehistoric 'Aqaba I, herausgegeben von L. Khalil und K. Schmidt, S. 295–304, Verlag Marie Leidorf GmbH, Rahden/Westf. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-83FF-6, 2009.
5366.
Buchkapitel
Hoppe, P.: Meteorites, in Landolt-Börnstein: Numerical Data and Functional Relationships in Science and Technology - New Series Group 6: Astronomy and Astrophysics, Subvolume 4B: Solar System, herausgegeben von J. Trümper, S. 450–466, Springer, Berlin, Heidelberg, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-83F5-9, 2009.
5367.
Buchkapitel
Karczemska, A., Jakubowski, T., Kozanecki, M., Tszydel, I., Jauss, A. und Gucsik, A.: Micro - Raman Spectroscopy of Diamonds from JaH 054 and Sahara 98505 Ureilites, Statistic Research, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 59–71, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8413-C, 2009.
5368.
Buchkapitel
Kayama, M., Gucsik, A., Nishido, H., Ninagawa, K. und Tsuchiyama, A.: Cathodoluminescence and Raman Spectroscopic Characterization of Experimentally Shocked Plagioclase, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, Bd. 1163, herausgegeben von A. Gucsik, S. 86–95, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-840B-F, 2009.
5369.
Buchkapitel
Kayama, M., Nakazato, T., Nishido, H., Ninagawa, K. und Gucsik, A.: Cathodoluminescence Characterization of Maskelynite and Alkali Feldspar in Shergottite (Dhofar 019), in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 135–140, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-840D-B, 2009.
5370.
Buchkapitel
Kesselmeier, J., Guenther, A., Hoffmann, T., Piedade, M. T. F. und Warnke, J.: Natural volatile organic compound emissions from plants and their roles in oxidant balance and particle formation, in Amazonia and Global Change, herausgegeben von M. Keller, M. Bustamante, J. Gash, und P. Silva Dias, S. 183–206, American Geophysical Union, Washington, DC. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8403-0, 2009.
5371.
Buchkapitel
Lelieveld, J.: Stratosphere-Troposphere Interactions in a Chemistry-Climate Model, in Twenty Years of Ozone Decline. Proceedings of the Symposium for the 20th Anniversary of the Montreal Protocol, herausgegeben von C. Zerefos, G. Contopoulos, und G. Skalkeas, S. 327–347, Springer, Dordrecht. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8351-8, 2009.
5372.
Buchkapitel
Lelieveld, J.: Air pollution and climate, in The Physical Geography of the Mediterranean, herausgegeben von J. C. Woodward, S. 599–614, Oxford University Press, Oxford. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8375-7, 2009.
5373.
Buchkapitel
Longo, K. M., Freitas, S. R., Andreae, M. O., Yokelson, R. und Artaxo, P.: Biomass Burning in Amazonia: Emissions, Long-Range Transport of Smoke and Its Regional and Remote Impacts, in Amazonia and Global Change, herausgegeben von M. Keller, M. Bustamante, J. Gash, und P. Silva Dias, S. 207–226, American Geophysical Union, Washington, DC. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8405-C, 2009.
5374.
Buchkapitel
Müller, A., Polgari, M., Gucsik, A., Pál-Molnár, E., Koós, M., Veres, M., Götze, J., Nagy, S., Cserháti, C., Németh, T. und Hámor-Vidó, M.: Cathodoluminescent Features and Raman Spectroscopy of Miocene Hydrothermal Bio-mineralization Embedded in Cryptocrystalline Silica Varieties, Central Europe, Hungary, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 207–218, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8411-0, 2009.
5375.
Buchkapitel
Okumura, T., Gucsik, A., Nishido, H., Ninagawa, K. und Toyoda, S.: Cathodoluminescence microcharacterization of ballen silica in impactites, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 148–154, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-840F-7, 2009.
5376.
Buchkapitel
Polgári, M., Gucsik, A., Bajnóczi, B., Götze, J., Tazaki, K., Watanabe, H. und Vigh, T.: Astrobiological Aspect of Chemolithoautotrophic Bacterial Activity in the role of Black Shale-Hosted Mn Mineralization and Cathodoluminescence Study of High Mn-Bearing Carbonates, in Cathodoluminescence and its Application in the Planetary Sciences, herausgegeben von A. Gucsik, S. 127–156, Springer-Verlag, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-838F-2, 2009.
5377.
Buchkapitel
Pöschl, U., Rose, D. und Andreae, M. O.: Climatologies of Cloud-related Aerosols. Part 2: Particle Hygroscopicity and Cloud Condensation Nucleus Activity, in Clouds in the Perturbed Climate System: Their Relationship to Energy Balance, Atmospheric Dynamics, and Precipitation, herausgegeben von J. Heintzenberg und R. J. Charlson, S. 58–72, MIT Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8389-E, 2009.
5378.
Buchkapitel
Vigh, T., Polgári, M., Hein, J. R., Gucsik, A., Koós, M., Veres, M., Tóth, S., Tóth, A. L. und Biró, L.: Photoluminescence and Raman Spectroscopy of Jurassic Fe-Mn Oxide Rocks Forming Chimney Systems, Hungary, in Micro-Raman Spectroscopy and Luminescence Studies in the Earth and Planetary Sciences. Proceedings of the International Conference Spectroscopy 2009; AIP Conference Proceedings Vol. 1163, herausgegeben von A. Gucsik, S. 219–230, American Institute of Physics, Melville, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8417-4, 2009.
5379.
Buchkapitel
Andreae, M. O., Hegg, D. und Baltensperger, U.: Sources and nature of atmospheric aerosols, in Aerosol pollution impact on precipitation: A scientific review., herausgegeben von Z. Levin und W. R. Cotton, S. 45–89, Springer, Dordrecht. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-85BB-E, 2008.
5380.
Buchkapitel
Brückner, J., Dreibus, G., Gellert, R., Squyres, S. W., Wänke, H., Yen, A. und Zipfel, J.: Mars Exploration Rovers - Chemical composition by APXS, in The Martian Surface: Composition, Mineralogy, and Physical Properties, herausgegeben von J. Bell, S. 58–101, Cambridge University Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8637-E, 2008.
5381.
Buchkapitel
Eremets, M. I., Trojan, I. A., Gavriliuk, A. G. und Medvedev, S. A.: Synthesis of high-nitrogen energetic materials, in Static Compression of Energetic Materials, herausgegeben von S. M. Peiris und G. J. Piermarini, S. 75–97, Springer, Berlin Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-85F5-8, 2008.
5382.
Buchkapitel
Foley, C. N., Economou, T. E., Clayton, R. N., Brückner, J., Rieder, R., Dreibus, G. und Wänke, H.: APXS results from the Pathfinder Landing Site, in The Martian Surface: Composition, Mineralogy, and Physical Properties, herausgegeben von J. Bell, S. 35–57, Cambridge University Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8639-A, 2008.
5383.
Buchkapitel
Goldammer, J. G., Statheropoulos, M. und Andreae, M. O.: Impacts of vegetation fire emissions on the environment, human health and security – A global perspective, in Wildland Fires and Air Pollution., herausgegeben von A. Bytnerowicz, M. Arbaugh, A. Riebau, und C. Andersen, S. 3–36, Elsevier, Amsterdam. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-85BD-A, 2008.
5384.
Buchkapitel
Jochum, K. P. und Stoll, B.: Reference materials for elemental and isotopic analyses by LA-(MC)-ICP-MS: Successes and outstanding needs, in Laser ablation ICP-MS in the Earth sciences: Current practices and outstanding issues, herausgegeben von P. Sylvester, S. 147–168, Mineralogical Association of Canada, Quebec. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8633-5, 2008.
5385.
Buchkapitel
Liu, C., Penning de Vries, M., Beirle, S., Hoor, P., Marbach, T., Frankenberg, C., Platt, U. und Wagner, T.: Relationship between ATSR fire counts and CO vertical column densities retrieved from SCIAMACHY onboard ENVISAT, in Remote Sensing of Fire: Science and Application. Proceedings of SPIE, Volume 7089, herausgegeben von W. M. Hao, SPIE, Bellingham, Washington., 2008.
5386.
Buchkapitel
Marbach, T., Beirle, S., Liu, C., Platt, U. und Wagner, T.: Biomass burning emissions from satellite observations: synergistic use of formaldehyde (HCHO), fire counts, and surface temperature, in Remote Sensing of Fire: Science and Application. Proceedings of SPIE, Volume 7089, herausgegeben von W. M. Hao, SPIE, Bellingham, Washington., 2008.
5387.
Buchkapitel
Beirle, S., Platt, U., Wagner, T., Wenig, M. und Gleason, J.: Weekly Cycle of Nitrogen Dioxide Pollution from Space, in Our changing planet - the view from space, herausgegeben von M. King, C. Parkinson, K. Partington, und R. Williams, S. 74–77, Cambridge University Press, Cambridge. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-87EF-8, 2007.
5388.
Buchkapitel
Boehler, R. und Ross, M.: Properties of rocks and minerals – High-pressure melting, in Treatise in Geophysics, Volume 2, Mineral Physics, herausgegeben von G. D. Price und G. Schubert, S. 527–541, Elsevier B.V., Amsterdam. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-87E5-B, 2007.
5389.
Buchkapitel
Crutzen, P. J.: Atmospheric chemistry and climate in the Anthropocene, in Making Peace with the Earth – What Future for the Human Species and the Planet?, herausgegeben von Bindé und J., S. 113–120, Berghahn Books, UNESCO Publishing, New York. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8801-5, 2007.
5390.
Buchkapitel
Fekiacova, Z., Mertz, D. F. und Hofmann, A. W.: Geodynamic setting of the tertiary Hocheifel volcanism (Germany), Part II: Geochemistry and Sr, Nd and Pb isotopic compositions, in Mantle Plumes - A Multidisciplinary Approach, herausgegeben von J. R. R. Ritter und U. R. Christensen, S. 207–239, Springer, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8819-2, 2007.
5391.
Buchkapitel
Fekiacova, Z., Mertz, D. F. und Renne, P. R.: Geodynamic setting of the tertiary Hocheifel volcanism (Germany), Part I: 40Ar/39Ar geochronology, in Mantle Plumes - A Multidisciplinary Approach, herausgegeben von J. R. R. Ritter und U. R. Christensen, S. 185–206, Springer, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-881B-D, 2007.
5392.
Buchkapitel
Goldammer, J. G.: Feuerökologie – Einführung und Durchsetzung eines Begriffs, in Jetzt ist die Landschaft ein Katalog voller Wörter. Beiträge zur Sprache der Ökologie. Valerio 5, herausgegeben von B. Busch, S. 119–127, Wallstein, Göttingen. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-87EB-0, 2007.
5393.
Buchkapitel
Heck, P. R., Frank, M., Anselmetti, F. S. und Kubik, P. W.: Origin and age of submarine ferromanganese hardgrounds from the Marion Plateau, offshore NE Australia, in Proceedings of the Ocean Drilling Program, Scientific Results Volume 194, herausgegeben von F. S. Anselmetti, A. R. Isern, P. Blum, und C. Betzler, Ocean Drilling Program, College Station, Tex., 2007.
5394.
Buchkapitel
Kesselmeier, J.: Investigations of primary emissions from vegetation of biogenic volatile organic compounds (VOC) needed to decrease uncertainties, in Volatile organic compounds in the polluted atmosphere. The 3rd ACCENT Barnsdale Expert Meeting. Report 4.2007, herausgegeben von J. Burrows, T. Cox, D. Fowler, C. Granier, I. Isaaksen, P. Monks, C. O’Dowd, und P. Borrell, S. 76–79, ACCENT Secretariat, Urbino. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-87ED-C, 2007.
5395.
Buchkapitel
Marbach, T., Beirle, S., Platt, U. und Wagner, T.: Identification of HCHO sources due to Isoprene or/and biomass burning emissions using combined HCHO and NO2 satellite observations, in Measuring Tropospheric Trace Constituents from Space, ACCENT-TROPOSAT-2 in 2005-6, herausgegeben von J. Burrows und P. Borrell, S. 137–140, ACCENT, Urbino. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-8835-2, 2007.
5396.
Buchkapitel
von Glasow, R. und Crutzen, P. J.: Tropospheric Halogen Chemistry, in Treatise on Geochemistry, Update 1, Vol. 4.02, herausgegeben von H. D. Holland und K. K. Turekian, S. 1–67, Elsevier Pergamon, Amsterdam., 2007.
5397.
Buchkapitel
Andreae, M. O., Confalonieri, U. E. C., McMichael, A. J., Bloom, D. E., Heymann, D. L., Martens, P., Steffen, W. und Wilson, M. E.: Global environmental change and human health, in Interactions between global change and human health, herausgegeben von M. O. Andreae, D. E. Bloom, U. E. C. Confalonieri, und A. J. McMichael, S. 375–393, The Pontifical Academy of Sciences, Vatican City. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-89D0-B, 2006.
5398.
Buchkapitel
Boehler, R.: Diamonds as optical windows to extreme conditions, in EMU Notes in Mineralogy Vol. 7: Mineral behaviour at extreme conditions, herausgegeben von R. Miletich, S. 217–224, Eötvös University Press, Budapest. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-89D8-C, 2006.
5399.
Buchkapitel
Boehler, R.: Laser heating at megabar pressures: Melting temperatures of iron and other transition metals, in EMU Notes in Mineralogy Vol. 7: Mineral behaviour at extreme conditions, herausgegeben von R. Miletich, S. 273–280, Eötvös University Press, Budapest. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-89DA-8, 2006.
5400.
Buchkapitel
Crutzen, P. J.: The "Anthropocene", in Earth Systems Science in the Anthropocene – Emerging Issues and Problems, herausgegeben von E. Ehlers und T. Krafft, S. 13–18, Springer, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-89F2-0, 2006.
Zur Redakteursansicht