http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
OECD/IEA Parliamentary Symposium on Energy and the Economy, April 10-11, 1981
OECD/IEA Parliamentary Symposium on Energy and the Economy (1981 : Paris, France)
Organisation for Economic Co-operation and Development