@book{50302,
	author = {Piña Luján, Ignacio. and Muñiz Vélez, Raúl. and Laboratorios Nacionales de Fomento Industrial. México.},
	title = {Los ecolitidos como plagas forestales},
	publisher = {LANFI,},
	year = {1981},
	series = {Monografías LANFI},
	address = {México, D.F. :}
}