Rubin, IzhakIzhakRubinZSEHONG TSAI2020-06-162020-06-161987https://scholars.lib.ntu.edu.tw/handle/123456789/502195Performance of Double-Tier Access-Control Schemes Using a Polling Backbone for Metropolitan and Interconnected Communication Networks.journal article10.1109/JSAC.1987.1146668https://doi.org/10.1109/JSAC.1987.1146668