000 00325nam a2200121Ia 4500
008 170101s1989 xx 000 0 und d
082 _a577 SAN
100 _aSanthanam, R
245 2 _aA Manual of freshwater ecology : an asprct of fishery environment
260 _aDelhi
_bDaya
_c1989
300 _a134p.
942 _2ddc
_cBK
999 _c323681
_d323681