1. Agrawal, S., Buzen, J. P.: The Aggregate Server Method for Analyzing Serialization Delays in Computer Systems, ACM TOCS, 1, no. 2 (1983) 116–143
2. Baskett, F., Chandy, K. M., Muntz, R. R., Palacios, F. G.: Open, Closed, and Mixed Networks of Queues with Different Classes of Customers, J. ACM, 22, no. 2, (1975) 248–260
3. Franks, G., Woodside, M.: Performance of Multi-Level Client-Server Systems with Parallel Service Operations, Proc.First International Workshop on Software and Performance (WOSP’98), Santa Fe, NM, October 12–16, (1998) pp. 120–130
4. Jacobson, P. A., Lazowska, E. D.: Analyzing Queueing Networks with Simultaneous Resource Possession, Comm. ACM, 25, no. 2, (1982)
5. Jacobson, P. A., Lazowska, E. D.: A Reduction Technique for Evaluating Queuing Networks with Serialization Delays, Performance’83, eds. A. K. Agrawal and S. K. Tripathi, North-Holland Publishing Company (1983) 45–59