@book{10773,
	author = {Lavelle, Louis, 1883-1951},
	title = {Introducción a la ontología},
	publisher = {Fondo de Cultura Económica},
	year = {1966},
	series = {Breviarios},
	address = {México},
	edition = {2 ed.},
	url = {http://portalconservador.com/livros/Louis-Lavelle-Introduccion-a-la-Ontologia.pdf}
}