@book{36612,
	author = {Vega, Francisco J. and Nyborg, Torrey G. and SpringerLink (Online service)},
	title = {Studies on Mexican Paleontology},
	publisher = {Springer Netherlands,},
	year = {2006.},
	series = {Topics in Geobiology ;},
	address = {Dordrecht :},
	url = {http://dx.doi.org/10.1007/1-4020-3985-9}
}