Australia. Department of Industry, Technology, and Commerce
International Molders' and Foundry Workers' Union of North America
Dennis Wallace
Unknown Author
United States. Environmental Protection Agency. Emission Standards Division
Krister Berch
American Foundrymen's Society.
Friedrich Krupp Grusonwerk.
Esteban Calle Iturrino
Canada Iron Foundries, ltd.
Amalgamated Union of Foundry Workers.
Gerhard Gschwandtner
Hugh Anderson
Peter Fischer
University of Pretoria. Bureau of Financial Analysis.
Metropolitan Life Insurance Company. Policyholders Service Bureau
R. E. Zimmerman
C. J. H. Woodbury
Anne Bezanson