00549    a2200169   4500020001500000082001700015100002300032245005100055260002600106300001900132440004300151650005700194650003500251650004000286650003100326700002200357  a9251034893  a631.568bWIL  aWilliams, David B.  aMaintenance and operation of bulk grain stores  aRomebFAOc1994g1994  axi,156p.c30cm  aFAO Agricultural services bulletin 113  aSpecific techniques, apparatus, equipment, materials  aSpecial methods of cultivation  aOperations subsequent to harvesting  aCultivation and harvesting  aGracey, Alfred D.