@book{5423,
	author = {CALDWELL, LYNTON KEITH.},
	title = {ECOLOGIA : },
	publisher = {MCGRAW-HILL},
	year = {1993},
	series = {SER. MCGRAW-HILL DE DIVULGACION CIENTIFICA},
	address = {MADRID ; MEXICO: },
	note = {INCLUYE INDICE. \ BIBLIOGRAFIA: P. 225-244.}
}