1. Erlang AK. The theory of probabilities and telephone conversations. Nyt Tidsskrift for Matematik B. 1909;20(6):87-98
2. Evans M, Hastings N, Peacock B. Statistical Distributions. 3rd ed. New York: John Wiley and Sons, Inc.; 2000
3. Bhattacharyya SK, Singh NK. Bayesian estimation of the traffic intensity in M/Ek/1 queue Far. East. Journal of Mathematical Sciences. 1994;2:57-62
4. Haq A, Dey S. Bayesian estimation of Erlang distribution under different prior distributions. Journal of Reliability and Statistical Studies. 2001;4(1):1-30
5. Suri PK, Bhushan B, Jolly A. Time estimation for project management life cycles: A simulation approach. International Journal of Computer Science and Network Security. 2009;9(5):211-215