By M.E.Van Valkenburg, Rolf Schaumann, Rolf Schaumann (Professor, Head Department of Electrical Engineering, Portland State University, USA)
By John Bird (Defence College of Technical Training, UK)
By Muhammad H. Rashid
By John G. Proakis
By J.W. Bignell, R. P. Donovan
By David Turner, Andy Thomas
By D Tyler
By Morris, John
By Trevor Linsley
By Will Kimber
By W A Kimber
By Keith Brindley (Freelance writer and journalist on electronics. Independent PC Consultant.)
By Keith Brindley
By D. W. Tyler
By Cannon
By J S Anderson
By Thomas J. Davies
By Tyler, D. W.
By Mesias, Gerardo
By Gallun, Rebecca A., Wright, Charlotte J., Nichols, Linda M., Stevenson, John W.
By Hall, Charles A. S., Klitgaard, Kent A.
By Bird, John O., May, A.J.C.
By Sanderson, Henry
By Scaddan IEng; MIIE (elec), Brian
By Branwyn, Gareth
By Graham, Ian
By Deane-Pratt, Ade
By Balzert, Helmut
By Green, D. C.