@book{44248,
	author = {Maza Elvira, Roberto Gonzalo de la. and Maza E., Javier de la.},
	title = {Mariposas de Chiapas},
	publisher = {Gobierno del Estado de Chiapas,},
	year = {1993},
	series = {Chiapas eterno},
	address = {México, D.F. :}
}