A Simulation Study of Routing and Flow Control Problems in a Hierarchically Connected Packet Switching Network. - Ian H. Kerr; Gregory R. A. Gomberg; Wyn L. Price; C. M. Solomonides (ICCC, 1976)

A Design Study of a Hierarchically Connected Packet-Switching Network Using Simulation Techniques. - Gregory R. A. Gomberg; Ian H. Kerr; Julian S. Richards; Wyn L. Price; C. M. Solomonides (Comput. Networks, 1979)