000 00305 a2200109 4500
008 180808b xxu||||| |||| 00| 0 eng d
100 _aRicker, W. E.
245 _aMethods for assessment of fish production in freshwater /
_cW. E. Ricker
260 _bBlackwell Science
300 _a384p.
942 _2ddc
_cBK
999 _c6860
_d6860