By Galpin, Barrie, Graham, Alan T.
By Mustoe, L.R.
By Wood, Alastair, Wood, A. S.
By Booth, Dexter J.
By Truss, John
By DeFilippo, Judy, Skidmore, Charles
By Feibelman, Peter
By Christopher K. Mathews, K. E. van Holde, Kevin G. Ahern
By Scottish Mathematics Group
By Hodge, S.E., Seed, Margaret L., Scottish Mathematics Group, Brown, Margaret
By BURKHARDT
By Meer, Ron Van Der, Gardner, Bob
By Askew, Mike, Eastaway, Rob, Rob Eastaway, Mike Askew
By Eastaway, Rob, Askew, Mike
By Surendra S.P. Raghunandan
By Geoff Buckwell, Robert Solomon
By Dipchand Bahall
By Derek McMonagle
By Hewitt, Sally
By Neale, Sue