Unknown Author
Jiun-Haw Lee
Konemann Inc.
Robert A. Heinlein
Karsten Reise
International Training Institute for the Sheet Metal and Air Conditioning Industry
William C. Gannett
Kristen Iversen
Bickerdike Allen Partners.
Moritz, Karl Ingenieur
Takatoshi Tsujimura
Chun Kim
Nagoya-shi (Japan). Kankyō Jigyōkyoku. Shisetsuka
United States. Congress. House. Committee on Public Lands
Great Britain. Monopolies Commission.
Nancy Laughton
Pak, Sŏng-bae (Researcher of ecological protection)