000 00333nam a2200133Ia 4500
008 230108s9999 xx 000 0 und d
100 _aIPI
245 0 _aNutrient Balances and The Need for Fertilizers in Semi-Arid and Arid Regions
260 _bIPI
260 _c1983
365 _b0.00
650 _aSoil science
942 _cBK
999 _c239195
_d239195