000 00285 a2200109 4500
008 181222b xxu||||| |||| 00|
100 _aEdmondson, W.T
245 _aFresh water biology /
_cEdmondson, W.T
260 _aNew york
_bJohn Wiley and Sons
_c1959
300 _a1248p.
942 _2ddc
_cBK
999 _c7675
_d7675