@book{200751,
	author = {Mena Covarrubias, Jaime and INIFAP. México. Campo Experimental Zacatecas},
	title = {Manual para el control de plagas mediante la avispita parasitoide Thrichogramma /},
	publisher = { INIFAP. Campo Experimental Zacatecas},
	address = {Calera, Zac :}
}