000 00380nam a2200133Ia 4500
001 24187
008 170722s9999 xx 000 0 und d
020 _a8170351952
100 _aRay, P.
245 _aEcological imbalance of the Ganga river system :
_b its impact on aquaculture /
260 _aDelhi :
_bDaya publishing house ,
_c1998.
300 _a241 p.
_c25cms
942 _cGEN
999 _c118738
_d118738