@article{gjoka2011practical,
  added-at = {2012-09-26T11:37:35.000+0200},
  author = {Gjoka, Minas and Kurant, Maciej and Butts, Carter T. and Markopoulou, Athina},
  biburl = {http://www.bibsonomy.org/bibtex/298af9db3505ecb63d30a078c733958c2/kibanov},
  interhash = {8e2c629c242ab5c8a116c68c59fbaf4e},
  intrahash = {98af9db3505ecb63d30a078c733958c2},
  journal = {IEEE J. Sel. Areas Commun. on Measurement of Internet Topologies},
  keywords = {analysis network},
  timestamp = {2012-09-26T11:37:35.000+0200},
  title = {{Practical Recommendations on Crawling Online Social Networks }},
  year = 2011
}