http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Unified theories of elementary particles
critical assessment and prospects : proceedings of the Heisenberg Symposium, held in Munchen, July 16-21, 1981
Heisenberg Symposium (1981 : Munich, Germany)
Grand unified theories (Nuclear physics)