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Material Type: Article
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The End of the Cretaceous: Sharp Boundary or Gradual Transition?Alvarez, W. ; Alvarez, L. W. ; Asaro, F. ; Michel, H. V.Science (American Association for the Advancement of Science), 1984-03, Vol.223 (4641), p.1183-1186 [Peer Reviewed Journal]United States: The American Association for the Advancement of ScienceFull text available |
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Material Type: Article
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Ascent of Dinosaurs Linked to an Iridium Anomaly at the Triassic-Jurassic BoundaryOlsen, P. E. ; Kent, D. V. ; H.-D. Sues ; Koeberl, C. ; Huber, H. ; Montanari, A. ; Rainforth, E. C. ; Fowell, S. J. ; Szajna, M. J. ; Hartline, B. W.Science (American Association for the Advancement of Science), 2002-05, Vol.296 (5571), p.1305-1307 [Peer Reviewed Journal]Washington, DC: American Society for the Advancement of ScienceFull text available |
3 |
Material Type: Article
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Terminal Cretaceous Extinctions in the Hell Creek Area, Montana: Compatible with Catastrophic ExtinctionSmit, J. ; Van Der Kaars, S.Science (American Association for the Advancement of Science), 1984-03, Vol.223 (4641), p.1177-1179 [Peer Reviewed Journal]United States: The American Association for the Advancement of ScienceFull text available |
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Material Type: Article
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End-Cretaceous Brachiopod Extinctions in the Chalk of DenmarkSurlyk, Finn ; Johansen, Marianne BaggeScience (American Association for the Advancement of Science), 1984-03, Vol.223 (4641), p.1174-1177 [Peer Reviewed Journal]United States: The American Association for the Advancement of ScienceFull text available |