@conference{conext:09:p85,
  author = {Joshua Reich and Augustin Chaintreau},
  title = {{The Age of Impatience: Optimal Replication Schemes for
                  Opportunistic Networks}},
  booktitle = {ACM CoNEXT},
  pages = {85-96},
  year = {2009},
  month = {December},
  url = {http://conferences.sigcomm.org/co-next/2009/papers/Reich.pdf}
}