@book{20071,
	author = {Escobar Muñoz, Alicia, and Flores Escobar, Q.F.B. Alicia,},
	title = {Ecología y medio ambiente /},
	publisher = {Mcgraw-Hill,},
	year = {[2014].},
	address = {Mexico :},
	edition = {Segunda edición.}
}