000 00319nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aInternational Potash Institute
245 0 _aPotassum Research Review and Trends
260 _bIPI
260 _c1978
365 _b0.00
650 _aSoil science
942 _cBK
999 _c249526
_d249526