V. H. Yost
T. G. Butler
Grumman Aerospace Corporation
Theron Usher
Unknown Author
T. D Scharton
R. J. Heffner
K. L. Saucier
Ranjan Ganguli
John C Gagliardi
F. W. Cazier
Andrew M. Mitchell
G. Ed Ramey
J Anderson
Mark E. McNelis
Jaesoo Lee
ASME/DED Vibrations Conference Washington, D.C. 1975.
Wayne Bennett
Ovidiu Mîrșu