@inproceedings{Hawking00,
  author = {David Hawking},
  title = {{ACSys/CSIRO TREC-9} Experiments},
  booktitle = {Proceedings of {TREC}-9},
  location = {Gaithersburg, MD},
  month = {November},
  year = {2000},
  note = {\url{https://david-hawking.net/pubs/hawking_trec00.pdf}}
}