000 00275 a2200109 4500
008 190218b xxu||||| |||| 00| 0
100 _aEmondson, W.T.
245 _aFreshwater Biology
_cEmondson, W.T.
260 _aNew york
_bJohn Wiley & Sons,
300 _a154p.
942 _2ddc
_cBK
999 _c8388
_d8388