@book{15409,
	author = {Grizzell, Roy A. and Sillon, Olan W. and E.U.A. Department of Agriculture.},
	title = {La explotación del barbo; un nuevo recurso agrícola},
	publisher = {Centro Regional de Ayuda Técnica,},
	year = {1972},
	series = {USDA. Boletín del Agricultor},
	address = {México, D.F. :}
}