@book{30810,
	author = {Romero Rojas, Jairo Alberto.},
	title = {Tratamiento de aguas residuales :},
	publisher = {Escuela Colombiana de Ingenieria,},
	year = {2002.},
	address = {Bogotá :},
	edition = {2a ed.},
	note = {Incluye indice.}
}