1. Manufacturing Systems Engineering;Hitomi,1979
2. An algorithm for determing the optimal number of machines in man-machine systems;Isaji,1994
3. On the optimal number of machies operated by a single worker;Kobayashi,1992
4. The derivation of invariances in complex queueing systems with stationary inputs;Miyazawa;Adv. Appl. Prob.,1983
5. An approximate method for estmating production rate of a man-machine system;Nakamura,1993