http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Computer-aided planning of regional sludge disposal systems user's manual
Canada-Ontario Agreement on Great Lakes Water Quality
Canadian Federation of Mayors and Municipalities
Research Program for the Abatement of Municipal Pollution (Canada)
by B & P Silveston, Engineers and Canadian Federation of Mayors and Municipalities.
Research report (Research Program for the Abatement of Municipal Pollution (Canada)) ; no. 46