@book{82651,
	author = {Martínez, Armando J, and e-libro, Corp.},
	title = {El tamaño sí importa},
	publisher = {Instituto de Ecología A.C,},
	year = {2007.},
	address = {Xalapa :},
	url = {https://elibro.net/ereader/politecnicointernacional/18293}
}