000 00292 a2200133 4500
080 _a636.2(072)(063)
_bP 56 A
245 1 _aInland waters
_bResearch papers
260 _aLegpasi
_c1975
650 _aFisheries
650 _aInland Waters
100 _a
_d
300 _a77 p.
901 _a120493
999 _c87809
_d87809