@book{94698,
	author = {Ramalho, Rubens Sette},
	title = {Tratamiento de aguas residuales},
	publisher = {Reverté,},
	year = {1996},
	address = {Barcelona :},
	edition = {ed. rev.},
	note = {Trad. de : Introduction to wasterwater treatment processes, 2 ed.}
}