000 00449nam a22001697a 4500
005 20230711062732.0
008 230711b |||||||| |||| 00| 0 eng d
020 _a81-7648-454-7
041 _aeng
082 _a574.5263
_bKUM/A
100 _aKumar, Arvind
245 _aAquatic ecosystems
_c/by Arvind Kumar
260 _aNew Delhi
_bAPH Publishing
_c2003
300 _axi,437p.
650 _aWater--Pollution
_xEcosystem management
942 _cBK
999 _c19233
_d19233