http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Proceedings of IAU Symposium No. 79 held in Tallinn, Estonia, U.S.S.R., September 12-16, 1977
International Astronomical Union / Union Astronomique Internationale, Symposium No. 79 Held in Tallinn, Estonia, U.S.S.R., September 12 - 16, 1977 ; 79