@misc{754616,
  author = {Edward Barkmeyer Jr. and Neil Christopher and Shaw Feng and James Fowler and Simon Frechette and Albert Jones and Kevin Jurrens and Charles McLean and Mike Pratt and Harry Scott and M. Senehi and Ram Sriram and Evan Wallace},
  title = {SIMA Reference Architecture Part I: Activity Models},
  year = {1987},
  month = {1987-07-01 00:07:00},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821013},
  doi = {https://doi.org/10.6028/NIST.IR.5939},
  language = {en},
}