United States. General Accounting Office
Unknown Author
Padwa
United States International Trade Commission.
Rick Adair
Henry H. Hausner
Robert D. Nininger
United States International Trade Commission
Sidney J. Fogel
National Research Council
A. V. Novoselova
A. A. Beus
Charles Lathrop Parsons
George Erasmus Darwin
United States. Bureau of Mines.
Donald Wilmot White
Dennis R. Floyd
Kenneth A. Walsh
Aleksei Aleksandrovich Beus
A. A. Soja