@book{71705,
	author = {Gerratana, Valentino. and Fernández Buey, Francisco.},
	title = {Investigaciones sobre la historia del marxismo / },
	publisher = {Grijalbo, },
	year = {1975.},
	series = {Hipótesis ; },
	address = {Barcelona : },
	edition = {[1ª ed.].}
}