39
Extraterrestrial Cause for the Cretaceous-Tertiary Extinction
Luis W. Alvarez, Walter Álvarez, Frank Asaro et al. · Science · 1980 · 4K citations
The Ecology and Biology of Mammal-Like Reptiles
Timothy B. Rowe, Nicholas Hotton, Paul D. MacLean et al. · Copeia · 1987 · 566 citations
Life Sciences, Biology, Ecology +12
The great Paleozoic crisis: life and death in the Permian
Choice Reviews Online · 1993 · 496 citations