@book{123909,
	author = {Kołakowski, Leszek},
	title = {El hombre sin alternativa},
	publisher = {Alianza Editorial},
	year = {c1970.},
	series = {El libro del bolsillo. Sección: Humanidades.},
	address = {Madrid},
	note = {Translation of : Der Mensch ohne Alternative.}
}