@techreport{cost257td0029,
  author = {S. Aalto and J. Virtamo},
  title = {Practical algorithm for calculating blocking probabilities in multicast networks},
  institution = {COST257},
  number = {TD(00)29},
  month = {May.},
  year = {2000},
  url = {http://www.netlab.hut.fi/tutkimus/cost257/publ/pract.pdf},
}