@book{6322,
	author = {Romaní Cortés, Julio},
	title = {De necedades y necesidades :},
	publisher = {CONABIO, },
	year = {2009},
	series = {Acciones ;},
	address = {México :},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/6909.pdf}
}