@Article{Hawking06B,
  author = 	 {David Hawking},
  title = 	 {How things work: Web Search Engines (Part 2)},
  journal = 	 {IEEE Computer},
  year = 	 2006,
  pages =	 {88--90},
  month =	 {August},
 note = {\url{http://es.csiro.au/pubs/hawking_howthingswork2.pdf}}
}