000 00443cam a22001457a 4500
008 180718b1979 xxu||||| |||| 00| 0 eng d
020 _a0 11 470566 6
082 _aV44x42 Un3c
245 _aWater pollution control technology
_cby Her Majesty's
260 _aLondon
_bHer Majesty's
_c1979
300 _a165p.
650 _aWater quality management --Great Britain.
650 _aSewage disposal --Great Britain
700 _aU.K. Her Majesty's
999 _c413633
_d413633