@book{68856,
	author = {Wheeler, Raymond Holder, and Perkins, Francis Theodore,},
	title = {Fundamentos del desarrollo mental;},
	publisher = {Union Tipográfica Editorial Hispano-Americana - UTEHA,},
	year = {[1945]},
	series = {[Biblioteca UTEHA, Clásicos y modernos de educación]},
	address = {México :}
}