000 00335 a2200121 4500
008 180926b xxu||||| |||| 00|
100 _a Perdue ,E,M
245 _aOrganic acids in aquatic ecosystems /
_c E. M. Perdue and E. T. Gjessing
260 _aNew york
_bWiley
_c1990
300 _a345p.
700 _a E. T. Gjessing
942 _2ddc
_cBK
999 _c7091
_d7091