000 00284nam a22001217a 4500
999 _c1195
_d1195
020 _a9788170356219
082 _a591.7603
100 _aK Vijaykumar & B Vasanthkumar
245 _aAquatic ecosystem and its management
260 _aNew Delhi
_bDAYA
_c2010
300 _a471
942 _cBK