003530000a22001330004500060000800000082001900008100002100027245003900048250000600087260003100093260000900124300000800133650007800141  a100  a658. 80963 KOH  aKohls, Richard L  aMarketing of agricultural products  a3  aLondon, Mac Millan Company  c1967  a462  aMarketing-agricultural products/agriculture-marketing/commodity marketing