Downing, Philip John2016-06-152016-06-1519491949b14649019(OCoLC)07797995(OCoLC)ocm07797995https://hdl.handle.net/2144/16515This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsDepreciation accountingThesis/Dissertation