D'Hondt, Steven; Herbert, Timothy D.; King, John; Gibson, Carol (1996): Planktic foraminifera, asteroids, and marine production; death and recovery at the Cretaceous-Tertiary boundary. Geological Society of America (GSA), Boulder, CO, United States, In: Ryder, Graham (editor), Fastovsky, David (editor), Gartner, Stefan (editor), The Cretaceous-Tertiary event and other catastrophes in Earth history, 307, 303-317, georefid:1996-082183