@book{24397,
	author = {Shull, A. Franklin and Larue, George R.},
	title = {Principles of animal biology /},
	publisher = {McGraw-Hill book company, inc.,},
	year = {c1934.},
	series = {McGraw-Hill publications in the zoölogical sciences},
	address = {New York,},
	edition = {4th ed.}
}