@article{Hawking99,
  author = {David Hawking},
  title = {Plans for the {TREC-9 Web Track}},
  journal = {SIGIR Forum},
  year = {1999},
  volume = {33},
  number = {2},
  pages = {17-18},
  note = {\url{http://es.csiro.au/pubs/hawking_sigirforum99.pdf}}
}