000 00279 a2200109 4500
008 190227b xxu||||| |||| 00| 0
100 _a Arvind Kumar
245 _aEcology of lakes & reseroirs /
_c Arvind Kumar
260 _bDaya Pub,house
_c2002
300 _a248p.
942 _2ddc
_cBK
999 _c9230
_d9230