http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
2nd Workshop on Computer Science Logic, Duisburg, FRG, October 3-7, 1988 : proceedings
Workshop on Computer Science Logic 1988 : Duisburg, Germany)
E. Börger, H. Kleine Büning, M.M. Richter (eds.)