00317nam a2200097Ia 4500008004100000082001700041100003300058245007500091260004600166300000700212140113s9999    xx            000 0 und d  a636.085   K9  aNational Academy of Sciences  aUnited States-Canadian Tables of Feed composition. 2nd Revised edition  a1969bNational Academy of SciencecU.S.A.  a92