By Robert L. Norton
By Mark W. Spong, M. Vidyasagar
By Myer Kutz
By Charles E Wilson
By John Schey
By R.C. hibbeler
By Godfrey Boyle (Professor of Renewable Energy, The Open University)
By Paul V. Brennan
By John G. Proakis
By Floyd M. Gardner (Gardner Research Company)
By Dennis N. Pim
By W.P. Robins
By Robert A. Witte (Agilent Technologies, USA)
By W. Totsch, H. Gaensslen
By Clack, Edward, Froste, Peter, Slade, Ron
By K.G. Jackson, G.B. Townsend
By John Davies
By Chris Oxlade
By Grant, R. G.
By John Uff
By J. H. Haynes, B.L.Chalmers- Hunt
By Pat McLaren, Tugg
By Chris Sidwells
By J. Sheath, M. Webber, Jonathan Seath
By J.W. Leech
By Peter Tebbutt
By Robert G. Bartle, Donald R. Sherbert
By Stephen Elliott (Trinity College, cambridge, UK and University of Cambridge, UK)
By Charles Hadfield, Joseph Boughey
By Donald C. O'Shea, W. Russell Callen, William T. Rhodes