By C.J. Savant, etc., Martin S. Roden (University of California, Los Angeles, USA), Gordon L. Carpenter (University of California, Long Beach
By John G. Proakis
By Adel S. Sedra, K. C. A. Smith
By John Senior
By Robert Collin
By John Gowar
By Muhammad H. Rashid
By Jerald Graeme
By T. H. Wilmshurst (Formerly of the Department of Electronics and Computer Science, university of Southampton, UK)
By Gene Tobey
By Glyn James
By Desmond S. T. Nicholl
By R.K. Mackie, David Macdonald Smith
By Colin Fearn
By Friedrich Sauvigny
By Gareth A. Jones, J.Mary Jones
By Nicolas Privault
By Rudiger U. Seydel
By R. Maddock, D. Calcutt
By A Cavallo, R. Setola, F. Vasca
By James B. Dabney, Thomas L. Harman
By Ju Jen Wong, William E. Ott
By W.T. Singleton
By Alexander D. Poularikas, Samuel Seely
By Basil Mahon
By L Goodstein, David, Goodstein, Judith R
By Phillip Cutler
By John Hubbard