@book{166710,
	author = {National Academies of Sciences, Engineering and Medicine and National Research Council. (Estados Unidos de América); Subcommittee on Sheep Nutrition, Committee on Animal Nutrition, Board on Agriculture.},
	title = {Nutrient requirements of sheep  /},
	publisher = {National Academy Press,},
	year = {1985},
	series = {Animal Nutrition Series (National Academies of Sciences, Engineering, and Medicine)},
	address = {Washington, D.C.:},
	edition = {sexta edición revisada},
	note = {ej.1: C/E \ ej.2: fotocopias (Reposición del n. de inventario: 133410, mismo título y año)}
}