@Article{ BKVErlang,
 author = {François Baccelli and Bruno Kauffmann and Darryl Veitch},
 editor = {Sören Asmussen and Onno J. Boxma},
 journal = {Queueing Systems, Special Issue: 100 Years of Queueing -- The Erlang Centennial},
 month = {Dec.},
 number = {1-4},
 pages = {59-107},
 publisher = {Springer Netherlands},
 title = {Inverse Problems in Queueing Theory and Internet Probing},
 url = {http://www.di.ens.fr/~baccelli/questa_erlang.pdf},
 volume = {63},
 year = {2009},
 issn = {0257-0130}
}