000 003950000a22001450004500
008 140223b1989 xxu||||| |||| 00| 0 eng d
041 _aENG
080 _aG19557:55 M9;1
082 _aG19557:55 M9;1
100 _aOthers
245 _aManual of freshwater ecology:An aspect of fishery environment.
260 _aDaya Pub.House
_bDelhi
_c1989
650 _aLIMNOLOGY
700 _aSANTHANAM (R)
999 _c99593
_d99593