By Various
By Hindley, Judy, Sharratt, Nick
By Park, Julie
By Merritt, Kate
By Stroud, K. A.
By Penny, James, Leftwich, Philip
By Chaitin, Gregory J.
By Helen Finnigan, Roger Langton
By Cave, Kathryn
By Harrison, Paul
By Rauber, Thomas, Rünger, Gudula
By Peter J. Eccles (University of Manchester)
By Mikio Nakahara (Kinki University, Osaka, Japan)
By New Scientist
By Andrew Knight (Defence Science and Technology, Australia)
By Mumford, Jeanette, Greaves, Simon, Greaves, Helen, Jeanette Mumford, Simon Greaves, helen greaves
By Roberts, Sandra, Mumford, Jeannette
By Carol Vorderman
By Aigner-Clark, Julie, Zaidi, Nadeem, Julie Aigner-Clark, Nadeem Zaidi
By Bertrand, Joseph
By Jerry Pallotta, Rob Bolster
By Schofield & Sims, Steve Mills, Hilary Koll, Jepson Ledgard
By Diyan Leake
By Margaret Gronow
By Davies, Gill, O'Neill, Rachael
By Rob Eastaway
By William Bober (Florida Atlantic University, Boca Raton, USA), Chi-Tay Tsai, Oren Masory (Florida Atlantic University
By Vilmos Komornik
By Satish Shirali, Harkrishan Lal Vasudeva