MacLeod, Norman, and Keller Gerta. 1996. “Environmental Changes across the Cretaceous-Tertiary Boundary in Northeastern Brazil”. In In, MacLeod, N. And Keller, G., (eds.), The Cretaceous-Tertiary Mass Extinction: Biotic and Environmental Effects, 451-70. New York: Norton Press.
Norman MacLeod
First name
Norman
Last name
MacLeod