Ernst Eck
Henning Stanicki
Brennan, James R.
Alexander Reidinger
Paulo Jorge Scartezzini Guimarães
Heinz Such
C. P. Aubel
National Retail Merchants Association. Merchandising Division.
Heide Schaumburg
United States. Congress. House. Committee on Interstate and Foreign Commerce. Subcommittee on Commerce and Finance.
United States. Congress. Senate. Committee on Commerce. Consumer Subcommittee.
Monika Priess
Unknown Author
United States. Federal Trade Commission. Bureau of Consumer Protection
Donna Goessler
Ryszard Szostak
Volkmar Götz
Heinz Krejci
Ming-En Hsiang