Hopkins, D.: The design and implementation of pie menus, Dr. Dobb’s Journal, Vol.16, No.12, pp. 16-26(1991).
Kurtenbach, G. and Buxton, W.: The limits of expert performance using hierarchic marking menus, CHI ’93: Proc. SIGCHI conference on Human factors in computing systems, pp. 482-487, ACM Press (1993).
Guimbretiere, F. and Winograd, T.: FlowMenu: Combining command, text, and data entry, Proc. ACM User Interface Software and Technology 2000 (UIST 2000), pp. 213-216(2000).
Callahan, J., Hopkins, D., Weiser, M. and Shneiderman, B.: An empirical comparison of pie vs. linear menus, CHI ’88: Proc. SIGCHI conference on Human factors in computing systems, pp. 95-100, ACM Press (1988).
Ren, X. and Moriya, S.: Improving selection performance on pen-based systems: a study of pen-based interaction for selection tasks, ACM Trans. Comput.-Hum. Interact., Vol.7, No.3, pp. 384-416(2000).