By Capewell, Dave, Mullarkey, Pete, Nicholson, James, Plass, Clare, Dave Capewell, Pete Mullarkey, James Nicholson, Clare Plass
By Allan, Ray, Williams, Martin
By Allan, Ray
By Allan, Ray, Ray Allan
By Allan et al, Ray
By Allan et al, Ray, Ray Allan et al
By Turpin, Claire
By Ledsham, Alf
By Rayner, David, Williams, Paul
By Gregory, Oliver
By Graham, Lynne
By Scottish Mathematics Group
By Hodge, S.E., Seed, Margaret L., Scottish Mathematics Group, Brown, Margaret
By BURKHARDT
By Prue, Theobalds
By Meer, Ron Van Der, Gardner, Bob
By Eastaway, Rob, Askew, Mike