@book{65186,
	author = {Dworak Dingfelder, Federico G.},
	title = {Estrategia para mejorar el ingreso regional en el Distrito de Riego No. 41, Río Yaqui, Son.},
	publisher = {El autor,},
	year = {1979},
	address = {Chapingo, Méx. :}
}