http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Association of Geomagnetism and Aeronomy
International Union of Geodesy and Geophysics
International Union of Geodesy and Geophysics, Association of Geomagnetism and Aeronomy.
International Union of Geodesy and Geophysics. Association of Terrestrial Magnetism and Electricity.