By B.J. Rouan, B.C. Abrams, Rouan, B.J., Abrams, B.C.
By The Mathematical Association
By Johnson, Keith, Keith Johnson
By Stone, Barry, etc.
By Clemson, Wendy, Clemson, David, Smith, Tim
By Clemson, Wendy, Clemson, David, Smith, Tim, Wendy Clemson, David Clemson
By Fitzsimmons, Jim, Whiteford, Rhona
By Brady, R.
By B.J. Rouan, B.C. Abrams
By Llewellyn, S., Greer, Alex
By Godbold, Debbie, Mills, Elaine
By Crispin, M., Rowe, Allan
By Jordan, David, Davis, Brian
By Jordan, David, Davis, B.
By Oliver, Raymond
By Duberley, Susan
By McDuell, G.R.
By Bateman, Rob, Rowles, Nicholas
By Davis, John
By Nobes, Patrick
By John Rowe Townsend
By Waugh, David, Bushell, Tony
By Waugh, David, Bushell, Tony, David Waugh, Tony Bushell
By Rowlands, David
By Bostock, L., Chandler, S., L. Bostock, S. Chandler
By Law, N.E., Smith, David
By Gibson, C., Harding, Jean, Hutchings, Janet, Mapstone, John, Pengelly, Brian