000 00284 a2200109 4500
008 180927b xxu||||| |||| 00|
100 _a Robert G. Wetzel
245 _aLimnology: Lake and river ecosystems /
_cRobert G. Wetzel
260 _bElsevir
_c2006
300 _a1006p.
942 _2ddc
_cBK
999 _c7102
_d7102