000 00331nam a2200121Ia 4500
008 140321s9999 xx 000 0 und d
082 _a631.85
100 _a"Biswas, T. D."
245 _a"Phosphorus in Soil, Crop and Fertilizers"
260 _aNew Delhi
_bIndian Society of Social Science
_c1979
300 _a611 p.
942 _cB
999 _c161455
_d161455