@book{655,
	author = {Jiménez Velázquez, Marcela.},
	title = {Canales y márgenes de comercialización del sorgo (Sorghum bicolr Muench)},
	publisher = {El autor,},
	year = {1986},
	address = {Chapingo, Méx. :},
	note = {37-129}
}