000 00283nam a22001217a 4500
999 _c3371
_d3371
020 _a8174881220
082 _a579.17
100 _aA. P. Diwan & D. K. Arora
245 _aEcology of Freshwater organisms and Insects
260 _aNew Delhi
_bAnmol
_c2000
300 _a399
942 _cBK