@book{2012,
	author = {Zimmerman M L, Perkin G.W.},
	title = {Print materials for nonreaders : experiences in family planning and health.},
	publisher = {Programme for the Introduction and Adaptation of Contraceptive Technology,},
	year = {1982.},
	series = {(PIACT paper ; no. 8)},
	address = {Seattle, Wash. : }
}