@inproceedings{TangCrovella:imc03,
  author	= {Tang, Liying and Crovella, Mark},
  title		= {Virtual Landmarks for the {Internet}},
  booktitle	= {Proceedings of the ACM/SIGCOMM Internet Measurement Conference 2003},
  month		= oct,
  year		= {2003},
  pages		= {143--152},
  location	= {Miami Beach, Florida},
  URL		= {http://www.cs.bu.edu/faculty/crovella/paper-archive/imc03-coords.pdf}
}