000 00305 a2200109 4500
008 190227b xxu||||| |||| 00| 0
100 _aAshutosh Gautam
245 _aConservation and management of aquatic resources /
_cAshutosh Gautam
260 _aDelhi
_bDaya Books
_c1998
300 _a238p.
942 _2ddc
_cBK
999 _c9221
_d9221