1. Analysis of Queueing System;White,1975
2. On the explicitly analytical solution of the truncated Erlangian queues;Abou-El-Ata;J. Faculty Educ., Ain Shams University,1984
3. The Truncated Queues and Their Measures of Effectiveness;Al-Seedy,1984
4. The General Solutions of the Truncated Non-Markovian Queues;Al-Seedy,1988