@inproceedings{com2aal00,
  author = {S. Aalto and J.T. Virtamo},
  title = {Combinatorial algorithm for calculating blocking probabilities in multicast networks},
  booktitle = {Proceedings of the 15th Nordic Teletraffic Seminar},
  address = {Lund, Sweden},
  month = {August},
  year = {2000},
  pages = {23--34},
  url = {http://keskus.hut.fi/tutkimus/com2/publ/combi.pdf},
}