By Katsuhiko Ogata
By Anthony Lawrence
By William E Wiesel
By S. Newman (Lecturer in Helicopter Engineering, Department of Aeronautics & Astronautics, Southampton University)
By S. Skogestad, I. Postlethwaite
By Bernard Friedland
By Wolfram Stadler
By Peter H. Zipfel
By Stanislaw H. Zak (Professor Electrical and Computer Engineering, Professor Electrical and Computer Engineering, Purdue University)
By J. Schwarzenbach
By Tom Pettit
By Weinberg, Steven
By Joseph D. Bronzino (Trinity College, Hartford, Connecticut, USA)
By Bray, R N, Bates, A D, Land, J M
By R. B. Underdown
By R. B. Underdown, R.B. Underdown
By Bruce, Colin
By Ian Graham
By Ade Deane-Pratt
By Robert M. Koerner
By Snell, J.B.
By William D. Callister, Jr., David G. Rethwisch
By Lindsay Porter
By Smith, Peter, Begg, David
By Mohammad Modarres (University of Maryland, College Park, USA)