Naoki Hamanaka Junji Nakagoshi Teruo Tanaka Reducing Network Hardware Quantity by Employing Multi-Processor Cluster Structure in Distributed Memory Parallel Processors. 25-30 1992 conf/conpar/1992 CONPAR db/conf/conpar/conpar1992.html#HamanakaNT92 http://dx.doi.org/10.1007/3-540-55895-0_393