@techreport{cost279td03020,
  author = {Jouni Karvo and Samuli Aalto},
  title = {Using Multicast or a Combination of Unicast and Broadcast for Transmitting Popular Content},
  institution = {COST279},
  number = {TD(03)020},
  month = {May.},
  year = {2003},
  url = {http://www.tct.hut.fi/tutkimus/cost279/publ/cost279td03020.pdf},
}