@misc{indiciae15baf2f58a5c,
  title = {VHP - An environment for the remote visualization of heuristic processes},
  author = {Crawford, Stuart L. and Leiner, Barry M.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920029826},
  note = {Source identifier: 19920029826}
}