http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of IAU Symposium No. 94, jointly with International Union of Pure and Applied Physics, held in Bologna, Italy, 11-14 June 1980
edited by Giancarlo Setti, Gianfranco Spada, Arnold W. Wolfendale.
International Astronomical Union / Union Astronomique Internationale, Symposium No. 94 Jointly with International Union of Pure and Applied Physics Held in Bologna, Italy, June 11-14, 1980 ; 94