@book{100440,
	author = {González y González, Luis.},
	title = {La ronda de las generaciones},
	publisher = {SEP Cultura,},
	year = {1984.},
	address = {[México City] :},
	edition = {1a ed.},
	url = {http://books.google.com/books?id=ttRVAAAAMAAJ}
}