http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Recovery of platinum-group metals from Stillwater Complex, Mont., flotation concentrates by matte smelting and leaching
by E.G. Baglin, J.M. Gomes, and M.M. Wong.
Report of investigations (United States. Bureau of Mines) ; 8717