@book {7481,
	title = {Systematics and the fossil record: documenting evolutionary patterns},
	year = {1994},
	pages = {223},
	publisher = {Blackwell Science},
	organization = {Blackwell Science},
	keywords = {evolution, paleontology, phylogenetics, stratigraphy},
	author = {Smith, Andrew B.}
}
@article {7484,
	title = {Paleontological data and molecular phylogenetic analysis},
	journal = {Paleobiology},
	volume = {20},
	number = {3},
	year = {1994},
	note = {PDF},
	pages = {259-273},
	keywords = {fossil record, molecular clock, paleontology, phylogenetics, stratigraphy},
	author = {Smith, Andrew B. and Littlewood, D. T. J.}
}
