000 00289nam a2200121Ia 4500
008 170101s1962 xx 000 0 und d
082 _a631.81 SIN
100 _aSingh R. N.
245 0 _aFertilizers and Manures
260 _bNational Book House
_c1962
300 _a130 p.
942 _2ddc
_cB
999 _c5416
_d5416