@book{6790,
	author = {Galeana de Valadés, Patricia. and Pan American Institute of Geography and History.},
	title = {Historia comparada de las Américas :},
	publisher = {Senado de la República :},
	year = {2010.},
	address = {México, D.F. :},
	note = {Papers from a seminar held Aug. 5-7, 2009, Mexico City.}
}