00545nam a2200157 a 450000500170000000800410001703500150005804100070007305000150008010000260009524500550012126000880017630000100026465000470027471000660032120260817171458.0                                          a.b101154930 aEn  aTD755 G732  aGraham, David William 0aBiological-chemical treatment of landfill leachate  aVancouver :bDepartment of Civil engineering, University of British Columbia,c1981  a96 p. 0aSewagexPurificationxBiological treatment  aBritish Columbia. University. Department of Civil Engineering