@book{129802,
	author = {Heilbroner, Robert L.,},
	title = {El porvenir humano},
	publisher = {Ediciones Guadarrama},
	year = {[1975]},
	series = {Colección Punto Omega : Sección: Ciencias Sociales},
	address = {[Madrid]},
	note = {Translation of : An inquiry into the human prospect.}
}