@book{662,
	author = {Legget, Robert F. and Karrow, Paul F.},
	title = {Geología aplicada a la ingeniería civil},
	publisher = {McGraw-Hill,},
	year = {1986},
	address = {Mèxico, D. F. :},
	note = {Trad. de: Handbookk of geology in civil engineering, 3 ed. 1983.}
}