@book{68038,
	author = {Ponce, Anibal, and Agosti, Hector P.},
	title = {Educacion y lucha de clases /},
	publisher = {Akal,},
	year = {1981.},
	series = {Akal bolsillo ;},
	address = {Madrid :},
	edition = {2a ed.}
}