@book{69977,
	author = {Salem, Donald.},
	title = {Experiencias cientificas para maestros de escuelas elementales},
	publisher = {Unión Tipográfica Editorial Hispano Americana},
	year = {c1968},
	series = {Manual UTEHA breve},
	address = {México},
	note = {Translation of Science experiences for elementary school teachers.}
}