00317nam a2200097Ia 4500008004100000082002700041100002100068245005800089260006500147300000700212140113s9999    xx            000 0 und d  a631.82.001.5(540)   M6  a"Tandon, R.L.S."  aSulphur research and agricultural production in India  a1986bFertilizer Devt.& Consultation OrganisationcNew Delhi  a76