http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Research and development expenditure in industry 1973-1993
Les depenses en recherche et developpement dans l'industrie
Organisation for Economic Co-operation and Development
Organization for Economic Cooperation & Developmant
Directorate for science, technology and industry