@book{125856,
	author = {Aschersleben, Karl},
	title = {Introducción a la metodología pedagógica},
	publisher = {Ediciones Roca},
	year = {1983.},
	series = {Tratado de formaci'on de profesores},
	address = {México},
	note = {Translation of: Einfuhrung in die Unterrichtsmethodik.}
}