@conference{14631,
  author = {Wayne Jansen},
  title = {Inheritance Properties of Role Hierarchies},
  year = {1998},
  month = {1998-10-09},
  publisher = {Proceedings of the 21st National Information Systems Security Conference (NISSC '98), Crystal City, VA},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=916542},
  language = {en},
}