K–T boundary

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március 23.) Chatterjee, Sankar (2002). „Shiva Structure: A Possible K-T Boundary Impact Crater on the Western Shelf of India”. Special Publications, Museum

G., Adatte T., Stinnesbeck W., Rebolledo-Vieyra, Fucugauchi J.U., Kramar U., Stüben D. (2004). „Chicxulub impact predates the K-T boundary mass extinction”

Cretaceous/Tertiary boundary at Gubbio, Italy: Negative results of tests for a supernova origin”. Christensen, W.K., and Birkelund, T. Cretaceous/Tertiary Boundary Events

in Svalbard, Barents Sea, and the absolute age of the Barremian-Aptian boundary” (angol nyelven). Palaeogeography, Palaeoclimatology, Palaeoecology 463