@book{100528,
	author = {Zavaleta B., Patricia and Calderón Acosta, Rafael.},
	title = {Plantas útiles de Milpa Alta :},
	publisher = {UAM. Unidad Xochimilco. División de Ciencias Biológicas y de la Salud,},
	year = {1991},
	series = {Manual CBS},
	address = {México, D.F. :}
}