000 00299 a2200109 4500
008 190129b xxu||||| |||| 00| 0
100 _a Edmondson, W.T
245 _aWard and whipples fresh water biology /
_c W. T. Edmondson
260 _anew york
_b John Wiley
_c1963
300 _a1234p.
942 _2ddc
_cBK
999 _c7939
_d7939