000 00305nam a22001217a 4500
999 _c528189
_d528189
020 _a9788195496594
082 _aV432x54 C459
100 _aChowdhury, B.R.
_948912
245 _aRiver & research
_cby B.R. Chowdhury
260 _aKolkata
_bSAIARD
_c2023
300 _a188p.
650 _aRivers - India
_948913