00309nam a2200121Ia 4500008004100000020000500041082002000046100002300066245003600089260004900125300000800174650000500182140316s9999    xx            000 0 und d  a  a636.089bBIL/LI  aBillings,William A  aLive stock and poultry diseases  aNew YorkbMacmillan Publishing Companyc1951  a504  a