@misc{indiciae5f163d20b2bb,
  title = {An authoring system for creating a practice environment in the network service field},
  author = {Kiyama, Minoru and Fukuhara, Yoshimi},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19960007823},
  note = {Source identifier: 19960007823}
}