@book{7480,
	author = {Heller, Robert L and De Sola, Oswaldo},
	title = {Geología y ciencias afines.},
	publisher = {Uteha,},
	year = {1967.},
	address = {México :},
	edition = {1a ed.},
	note = {Título original: Geology and earth sciences sour a book.}
}