Several New Generalized Linear- and Optimum-Time Synchronization Algorithms for Two-Dimensional Rectangular Arrays. - Hiroshi Umeo; Masaya Hisaoka; Masato Teraoka; Masashi Maeda (MCU, 2004)

A State-Efficient Mapping Scheme for Designing Two-Dimensional Firing Squad Synchronization Algorithms. - Hiroshi Umeo; Masashi Maeda; Masaya Hisaoka; Masato Teraoka (Fundam. Informaticae, 2006)