@book{9556,
	author = {Academia Nacional de Ciencias. Washington, D. C.},
	title = {Nutrient requirements of poultry},
	publisher = {National Academy Press,},
	year = {1992 (c. 1984)},
	series = {Nutrient requirements of domestic animals},
	address = {Washington :},
	edition = {8 rev. ed}
}