@conference{206691,
  author = {Ellen Voorhees},
  title = {Overview of the TREC 2005 Robust Retrieval Track},
  year = {2006},
  month = {2006-10-16},
  publisher = {Text Retrieval Conference (TREC)},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=150643},
  language = {en},
}