@book{3031,
	author = {Vásquez López, Carlos},
	title = {Impacto ambiental. /},
	publisher = {CODEU, },
	year = {2007.},
	series = {( Formación docente ) },
	address = {Quito, Ecuador :},
	edition = {Primera edición.},
	note = {Incluye índice.}
}