000 00310nam a22001217a 4500
008 160429b xxu||||| |||| 00| 0 eng d
020 _a0071162755
082 _a628.3 ECK
100 _aECKENFELDER,W.W
245 _aINDUSTRIAL WATER POLLUTION CONTROL
250 _a3RD ED.
260 _aBOSTON,
_bMcGRAW-HILL
_c2000.
999 _c4159
_d4159