@book{5031,
	author = {Lange, Oskar and Taylor, Fred M.},
	title = {Sobre la teoría económica del socialismo},
	publisher = {Ariel},
	year = {1973},
	address = {Barcelona :},
	edition = {4a. ed},
	url = {https://www.biblioeco.unsa.edu.ar/pmb/images/libros/L128353.jpg}
}