00351nam a2200121Ia 4500008004100000082002000041245005900061250001200120260004400132300001000176600001900186650002400205130903s9999    xx            000 0 und d  a631.825.002  N1  aSulphur research and agricultural production in India.  a3rd ed.  aWashingtonbThe Sulphur Institutec1991  a140p.  aTandon, H.L.S.  aSulphur,Fertilisers