@book{512,
	author = {Apostel, Leo},
	title = {Materialisme dialèctic i mètode científic /},
	publisher = {Edicions 62,},
	year = {1971},
	series = {L'Escorpí ;},
	address = {Barcelona :},
	note = {Tít. orig.: Matérialisme dialectique et méthode scientifique}
}