1. Experimental evidence that an asteroid impact led to the extinction of many species 65 Myr ago;Alvarez,1983
2. A study of Mammalia and geology across the Cretaceous-Tertiary boundary in Garfield County, Montana;Archibald;Univ. Calif. Publ. Geol. Sci.,1982
3. Stepwise and non-catastrophic Late Cretaceous terrestrial extinctions in the Western Interior of North America: testing observations in the context of an historical science;Archibald;Mém. Soc. Géol. Fr.,1987
4. No ichthyosaurs in the Upper Cretaceous of New Jersey…or Saskatchewan;Baird;The Mosasaur,1984
5. Krokodile als Klimazeugen;Berg;Geol. Rundsch.,1965