@book{42013,
	author = {Escuela Particular de Agricultura. Cd. Juárez, Chih.},
	title = {Aprovechamiento del cerdo},
	publisher = {Escuela Particular de Agricultura,},
	year = {(s.a.)},
	series = {Boletín 2a. serie},
	address = {(s.l.) :}
}