@book{34,
	author = {Medina Martínez, Rubén.},
	title = {Guía para el combate de plagas en la zona temporalera de Zacatecas},
	publisher = {INIA. Campo Agrícola Experimental Calera,},
	year = {1977},
	series = {Circular CIANE},
	address = {Calera, Zac. :}
}