http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
European Conference, 15-17 April, 1991, Hilton International, Düsseldorf
Institution of Mechanical Engineers (Great Britain)
sponsored by Environmental Engineering Group of the Institution of Mechanical Engineers, in association with Verein Deutscher Ingenieure [and others].
Proceedings of the Institution of Mechanical Engineers (Unnumbered)
I Mech E conference publications ; 1991-4