@book{5832,
	author = {Pyle, Robert Michael.},
	title = {The Audubon Society Field Guide to North American Butterflies},
	publisher = {Knopf,},
	year = {1990 [c.1981]},
	series = {The Audubon Society field guide series},
	address = {New York :},
	note = {59-224}
}