@book{13002,
	author = {Mira y López, Emilio and Guillén de Rezzano, Clotilde},
	title = {Como estudiar y como aprender},
	publisher = {Kapelusz, },
	year = {1973.},
	address = {Buenos Aires : },
	edition = {6a ed.},
	note = {Ejemplar 6 es  7a ed. 1973, 111p.}
}