Womcat Bookmarks for Philip Dorrell in subject Group Theory http://www.1729.com Womcat Bookmarks for Philip Dorrell. Womcat Bookmarks 2.1.0 Mathematics/Group Theory Dog School Group Theory http://members.tripod.com/~dogschool/cubegroups.html A good explanation of the group theory behind Rubik's cube, with a few pretty pictures as well. Mathematics/Group Theory Wed, 4 Aug 2004 14:44:58 +1200 Two Dimensional Crystallography http://www.oswego.edu/~baloglou/103/seventeen.html Tutorial about two dimensional crystallography with lots of coloured diagrams. Mathematics/Group Theory Wed, 4 Aug 2004 14:44:59 +1200