00533nam a2200145Ia 4500008004100000082003200041245007600073260002700149300001000176600003300186650002600219942001000245952011500255999001700370130903s9999    xx            000 0 und d  a631.83(52) 1957 (082.2)  J8  aNine papers read at the first Japanese Potassium Congress, Tokyo; 1957.  aSwitzerlandbIPIc1957  a137p.  aJapanese Potassium Symposium  aPotassium Fertilizers  cGRBK   00104070aKSDbKSDd2013-09-03l0o631.83(52) 1957 (082.2)  J8pG2424r2013-09-03 00:00:00w2013-09-03yGRBK  c82850d82850