1. Maximum likelihood estimates in a simple queue;Clark;Ann. Math. Statist.,1957
2. A limiting distribution of an estimate of mean queue length;Gebhard;Oper. Res.,1963
3. Variance of load measurements in Markovian service system;Descloux;Bell Syst. Tech. J.,1975
4. Transient probability of Markovian service system and its application;Machihara;Trans. I.E.C.E., Japan,1979
5. Application on the theory of communication traffic-5. Application to common controls in switching systems;Fujiki;Jour. I.E.C.E., Japan,1981