@book{172177,
	author = {Estados Unidos. Departmento de Agricultura and Departmento de Agricultura (E.U.A.) \ Department of Agriculture (U.S.)},
	title = {Como proteger nuestros alimentos  /},
	publisher = { UTEHA,},
	year = {1968},
	address = {México  :},
	note = {Título original: Protecting our food (Yearbook of agriculture 1966)}
}