@book{96985,
	author = {Headstrom, Richard},
	title = {A complete field guide to nests in the United States},
	publisher = {I. Washburn},
	year = {[1970]},
	address = {New York},
	note = {Based on author's Birds' nests, a field guide, published 1949, and Birds' nests of the West, a field guide, published 1951.}
}