@article{RBGH*97,
  title = "The {\textsc{Grail}} Concept Modelling Language for Medical Terminology",
  author = "A. Rector and S. Bechhofer and C. A. Goble and I. Horrocks and W. A. Nowlan and W. D. Solomon",
  year = "1997",
  annote = "AKA: Rector96a",
  journal = "Artificial Intelligence in Medicine",
  pages = "139--171",
  url = "download/1997/RBGH97.pdf",
  volume = "9",
}