@article{Huang2015Blocking,
    author = {Y.-C. Huang and Z. Rosberg and K.-T. Ko and M. Zukerman},
    title = {Blocking Probability Approximations and Bounds for Best-effort Calls in an Integrated Service System},
    journal = {IEEE Transactions on Communications},
    volume = {63},
    number = {12},
    pages = {5014-5026},
    month = {December},
    year = {2015}
}