@book{142588,
	author = {Tilman, Klemens},
	title = {Educación de la sexualidad},
	publisher = {Editorial Herder},
	year = {1973.},
	address = {Barcelona},
	edition = {4. ed.},
	note = {Translation of : Aufgaben und Wege geschlechtlicher Erziehung.}
}