@book{66830,
	author = {Hegner, Robert William, and Stiles, Karl Amos,},
	title = {College zoology /},
	publisher = {Macmillan,},
	year = {1959},
	address = {New York :},
	edition = {7th ed.},
	note = {Eighth ed. by K. A. Stiles, R. W. Hegner, and R. A. Boolootian; 9th ed. by R. A. Boolootian and K. A. Stiles.}
}