@book{2390,
	author = {Sorokin, Pitirim A.},
	title = {Las filosofías sociales de nuestra época de crisis : },
	publisher = {Aguilar, },
	year = {1966.},
	address = {Madrid : },
	edition = {4ta.ed.},
	note = {Notas al final de la obra. En deposito.}
}