By Open University
By Brown, Joan
By Kearey, Philip, Vine, Frederick
By Press Siever, CQ Researcher
By Press, Frank
By Lloyd, Martin
By Maiklem, Lara
By Tim Marshall
By Redfern, Martin
By Allen, Benedict, etc.
By Woodward, Christine M.
By Dickinson, Gordon
By King, T. J.
By Ruairi McKiernan
By Newman, Mark, Barabasi, Albert-Laszlo, Watts, Duncan J.
By Crane, Nicholas
By Hay, William W.
By Amrith, Sunil
By Wapner, Paul
By Hamed, Amir, Brazier, Chris
By Alwyn Scarth, Bill Jones, Clar Baggaley, Liz McLeod
By Dake, L. P.
By Brown, P.J., Forsyth, John Bruce
By Fox, Vivien, Speake, Janet, Bale, John
By Baines, John, Barbara, Furtado, Anna, Gardner, Philip, Scott, Allan
By Fujita/Thisse
By XXX
By Hook, Jason
By Geldof, Sir Bob
By Clark, John O. E.