000 00289 a2200109 4500
008 180707b xxu||||| |||| 00|
100 _aRicker,W.E
245 _aFish production in fresh water
_cRicker,W.E
260 _aOxford
_bBlackwell Scientific Publ.
_c1968
300 _a313 pp
942 _2ddc
_cBK
999 _c6558
_d6558