@misc{40506,
  author = {Russell Kirsch},
  title = {Syntactic Techniques in Information Retrieval},
  year = {1960},
  month = {1960-01-13},
  publisher = {NBS Report 6662},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821711},
  language = {en},
}