00386nam a2200133Ia 4500008004100000082001600041100001400057245003500071260005300106300000800159650004100167650003400208653001000242170901s1971    xx            000 0 und d  a636.3bO92P  aOwen, J.B 0aPerformance Recording in Sheep  aEnglandbCommonwealth Agricultural Bureauxc1971  a132  aAgriculture and related technologies  aTechnology (Applied sciences)  aSheep