@misc{indiciae5f18ec4d2a0c,
  title = {Programs Help Create And Evaluate Markov Models},
  author = {Butler, Ricky W. and Boerschlein, David P.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930000576},
  note = {Source identifier: 19930000576}
}