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1. Chicxulub impact spherules in the North Atlantic and Caribbean : Age constraints and Cretaceous - Tertiary boundary hiatus

by Keller, Gerta | Khozyem, Hassan | Adatte, Thierry | Malarkodi, Nallamuthu | Spangenberg, Jorge E | Stinnesbeck, Wolfgang.

Source: Geological magazine : Vol. 150 Iss. 1-6 Year. 2013Material type: Article Article; Format: print Availability: Items available for reference: (1).

2. The Eocene-Oligocene planktic foraminiferal transition: extinctions, impacts and hiatuses

by Molina, Eustoquio | Gonzalvo, Concepcion | Keller, Gerta.

Source: Geological magazine : Vol. 130 Iss. 1-6 Year. 1993Material type: Article Article; Format: print Availability: Items available for reference: (1).

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