000 00425nam a2200145Ia 4500
008 170101s1989 xx 000 0 und d
082 _a639.31 S15M
100 _aSANTHANAM, R
245 0 _aManual of Freshwater ecology : an aspect of fishery environment
260 _bNew Delhi
_c1989
300 _a134p
650 _aFISHERIES -- ENVIRONMENTAL ASPECTS
653 _aFISHERIES -- ENVIRONMENTAL ASPECTS
942 _2ddc
_cB
999 _c118302
_d118302