http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of an International Workshop, Heidelberg, Fed. Rep. of Germany, September 1-5, 1980
edited by Klaus H. Ebert, Peter Deuflhard, Willi Jäger.
Springer series in chemical physics ; 18