http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
proceedings of the international conference held in S. Margherita Ligure (Genova), November 30-December 4, 1981
Berlin ; New York : Springer-Verlag, 1983
Lecture notes in mathematics (Springer-Verlag) ; 979