Huber, Brian T. 1996. "Evidence for planktonic foraminifer reworking vs. survivorship across the Cretaceous/Tertiary boundary at high latitudes." in The Cretaceous-Tertiary Event and Other Catastrophes in Earth History, edited by Ryder, G., Fastovsky, D., and Gartner, S., 319–334. Boulder, CO: Geological Society of America Special Paper 307.