000			00286nam a2200097Ia 4500
008			230930s9999||||xx |||||||||||||| ||und||
100			_aCunha,John J.
245		0	_aUrea and Other Nonprotein Nitrogen Compounds in Animal Nutrition
260			_aU.S.A
260			_bNational Academic of Science
999			_c20783 _d20783