1. Gross, D., Shortle, J. F., Thompson, J. M., and Harris, C. M., Fundamentals of queueing theory, Wiley series, 2009.
2. Halstrøm, H. L., and Jensen, A., The life and works of A.K. Erlang. By E. Brockmeyer, Transactions of the Danish Academy of Technical Sciences, 1948 No. 2.
3. Kleinrock, L., Queueing systems: Volume I & II—Theory. Wiley Interscience, New York, 1975.
4. Green, L., Queueing analysis in healthcare, in Patient flow: reducing delay in healthcare delivery, Hall, R.W., ed., Springer, New York, 281–308, 2006.
5. Fomundam, S., and Herrmann, J. W., A survey of queuing theory applications in healthcare. Technical report, University of Maryland, 2007.