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100 1 _aSMETHURST, George.
245 1 0 _aBasic water treatment :
250 _a2nd ed.
260 _aLondon :
_bThomas Telford,
_c1988.
300 _a216p :
_bill.
504 _aIncludes bibliographical references and index.
650 0 _aWater Treatment.
908 _a070719
999 _c460
_d460