@book{23826,
	author = {Haag, Herman M. and Rioseco, Germán.},
	title = {Marketing of grains and other farm products in the Yaqui Valley, Sonora, México},
	publisher = {Southern Illinois University, School of Agriculture,},
	year = {1965},
	series = {Publication},
	address = {(s.l.) :}
}