United States. Congress. House. Committee on Roads
David Mills
IMechE (Institution of Mechanical Engineers)
Milton N. Kraus
International Conference on the Pneumatic Transport of Solids in Pipes (5th 1980 London, England)
R. D. Marcus
Biao Huang
United States. Congress. Senate. Committee on Public Buildings and Grounds
Martin, James W.
Nairu Zhou
George Medhurst
Unknown Author
Birney Clark Batcheller