@inbook {3209,
	title = {Extinction and the origin of species},
	booktitle = {Extinction and Phylogeny},
	year = {1992},
	pages = {119-143},
	publisher = {Columbia University Press},
	organization = {Columbia University Press},
	address = {New York},
	keywords = {EXTINCTION, PHYLOGENY, species},
	author = {Nixon, K. C. and Wheeler, Q. D.},
	editor = {Novacek, M. J. and Wheeler, Q. D.}
}
