Setsuo Arikawa Koichi Furukawa Shinichi Morishita Hiroshi Motoda Preface. 343-344 2003 292 Theor. Comput. Sci. 2 db/journals/tcs/tcs292.html#ArikawaFMM03 http://dx.doi.org/10.1016/S0304-3975(02)00174-3