@book{239466,
	author = {National Audubon Society},
	title = {Field Notes : American Birding Association in alliance with the National Audubon Society},
	publisher = {National Audubon Society},
	year = {1997},
	address = {New York},
	note = {Existencias: 1996 v. 50, no. 4; 1997 v.51, no. 3, 4, 5: 1998 v. 52, no. 2}
}