@book{56034,
	author = {Shedd, C. K. and McCalmont, J. R.},
	title = {Manejo y almacenamiento de maíz suave en la granja},
	publisher = {Centro Regionla de Ayuda Técnica,},
	year = {1967},
	series = {USDA. farmer's bulletin, 1976},
	address = {México. D.F. A :}
}