@book{163603,
	author = {Ruiz, Manuel E},
	title = {New animal feeding systems based on the intensive use of tropical by products  /},
	publisher = {CATIE,},
	year = {1976},
	address = {Turrialba, Costa Rica  :},
	note = {reimpreso de : Proceedings International Symposium Feed Composition.  Animal Nutrient Requeriments, and computerization of diets (1 : Utah, USA : 1976)}
}