@book{16416,
	author = {Krumbein, W.C. and Sloss, L.L.},
	title = {Estratigrafía y sedimentación.},
	publisher = {Uteha,},
	year = {1969.},
	address = {México :},
	note = {ING.7094 Ej.1 en Sala de Geociencias.}
}