000 00336nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.35:628.54
_bSCH
245 0 _aPolyelectrolytes for water and waste water treatment
260 _aFlorida
_bCRC
_c1981
650 _aWaste treatment
700 _aSchwoyer, William L K
942 _cBK
999 _c37141
_d37141