@book{164292,
	author = {La Sagra, Ramón de,},
	title = {Lecciones de economía social : },
	editor = {Imp. de Ferrer y Compañía)},
	publisher = {[s.n.], },
	year = {1840 (},
	address = {Madrid : },
	url = {http://hdl.handle.net/10347/8078 }
}