000			00333nam a2200133Ia 4500
008			161001s1959 xx 000 0 und d
082			_a636.2 Y1D
100			_aYapp,William W
245			_aDairy cattle juding and selection
260			_aUSA _bJohn Wiley & Sons _c1959
300			_a324p.
650			_aDairy farming
942			_2ddc _cC
999			_c1538 _d1538