@book{7030,
	author = {NEBEL, BERNARD J. and WRIGHT, RICHARD T.},
	title = {CIENCIAS AMBIENTALES : },
	publisher = {PRENTICE-HALL},
	year = {\\\\},
	address = {MEXICO: },
	edition = {6},
	note = {INCLUYE INDICE. \ BIBLIOGRAFIA: P. 647-663.}
}