@book{19537,
	author = {Archibald, J. David.},
	title = {A study of mammalia and geology across the cretaceous-tertiary boundary in Garfield County, Montana /},
	publisher = {University of California Press,},
	year = {[1982], c1981.},
	address = {Berkeley :},
	note = {Map on folded leaf in pocket.}
}