000 00400nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aTandon, H.L.S.
245 _aPhosphorus in Indian agriculture : An analysis of the use-pattern and means avai
260 _aNew Delhi
260 _c1976
300 _a62 p.
440 _aNo. 1; European Nitrogen Servi
901 _pS29491
942 _cB
_2udc
999 _c129646
_d129646