Benoît Martin, Poika Isokoski. Trackmouse trackball in pie menu use: data on accuracy. In Carlos Agon, Olivier Delerue, editors, Proceedings of the 19th Conference on l'Interaction Homme-Machine, IHM 2007, Paris, France, November 12-15, 2007. pages 127-130, ACM, 2007. [doi]
Abstract is missing.