000 00341nam a2200133Ia 4500
008 170101s1998 xx 000 0 und d
020 _a8170351774
082 _a631.42 CHA
100 _aChopattopadhyay, G.N
245 0 _aChemical analysis of fish pond soil and water
260 _aDelhi
_bDaya
_c1998
300 _aP.132
942 _2ddc
_cBK
999 _c69481
_d69481