@book{97016,
	author = {Benton, Allen H. and Werner, William E.},
	title = {Field biology and ecology},
	publisher = {McGraw-Hill},
	year = {[1966]},
	address = {New York},
	edition = {2d ed.},
	note = {First ed. published in 1958 under title: Principles of field biology and ecology.}
}