1. Hamid Ahmadi and Parviz Kermani: “Real Time Network Load Estimation in Packet Switched Networks,” Data Communication Systems and Their Performance, Guy Pujolle and Ramon Ruigjaner, Ed., 367–380, 1991.
2. Karl J. Astrom: Introduction to Stochastic Control Theory, Academic Press, 1970.
3. George E. P. Box and Gwilym M. Jenkins: Time Series Analysis Forecasting and Control, Prentice Hall, 1976.
4. John N. Diagle and Joseph D. Langford: “Models for Analysis of Packet Voice Communications Systems,” IEEE Journal on Selected Areas in Communications, vol. 4, no. 6, 847–855, 1986.
5. N.R. Draper and H. Smith: Applied Regression Analysis, John Wiley and Sons, 1968.