http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Statistics of petroleum exploration in the non-communist world outside the United States and Canada
STATISTICS petroleum-exploration world -- Statistics of petroleum exploration in the -- non-communist world outside the United States -- and Canada.1987 -- s.ROOT, David H. [Verf.]