@techreport{pietilai08connectivity,
  author = {A-K. Pietilainen and C. Diot},
  title = {Connectivity Management for Opportunistic Communications in PSN},
  institution = {Thomson, Paris},
  number = {CR-PRL-2008-03-0001},
  year = {2008},
  month = {March},
  url = {http://www.thlab.net/~apietila/pubs/CR-PRL-2008-03-0001.pdf},
}

@techreport{pietilai08experiments,
  author = {A-K. Pietilainen and E. Oliver and J. LeBrun and G. Varghese and J. Crowcroft and C. Diot},
  title = {Experiments in Mobile Social Networking},
  institution = {Thomson, Paris},
  number = {CR-PRL-2008-02-0003},
  year = {2008},
  month = {February},
  url = {http://www.thlab.net/~apietila/pubs/CR-PRL-2008-02-0003.pdf},
}