1. Flows in Networks;Ford,1962
2. Algorithms and guidance system for the shortest time path and the minimal cost path on railway networks with multi-schedule and multi-fare systems;Hayashi,1982
3. An algorithm for the minimal cost path on railway networks with multi-fare systems;Suzuki,1982
4. Guidance system for railway network by graphics;Hayashi,1981
5. Graphical editing and analysis system for network system (GEANS);Itoh;Comput. Graphics,1982