Thomas E. Pinelli
Arthur C. Clarke
Unknown Author
United States. General Accounting Office
Robert G. Jahn
T. B. Pawlicki
Philip G. Hill
Paul A. LaViolette
Hill, Philip G.
G. F. Dargush
PPM and Other Propulsion R & T Conference (1997 Cleveland, Ohio)
Francis M. Curran
Brown, Charles D.
Dennis G. Shepherd
L. Wyett
K. R. Rajagopal
C. C. Chamis
David A. Herda