@article{HawkingT99,
  author = {David Hawking and Paul Thistlewaite},
  title = {Methods for Information Server Selection},
  journal = {ACM Transactions on Information Systems.},
  year = {1999},
  pages = {40--76},
  volume = {17},
  number = {1},
  keywords = {Distributed Information Retrieval, Server Selection, Evaluation},
  note = {\url{http://david-hawking.net/pubs/hawking_tois99.pdf}}
}