@book{30722,
	author = {Jahn, Theodore Louis and Bovee, Eugene C.},
	title = {How to know the protozoa},
	publisher = {W. C. Brown Co.},
	year = {c1979.},
	series = {The Pictured key nature series},
	address = {Dubuque, Iowa},
	edition = {2d ed.}
}