@misc{indiciae84fb44342eb0,
  title = {Space system operations and support cost analysis using Markov chains},
  author = {Unal, Resit and Dean, Edwin B. and Moore, Arlene A. and Fairbairn, Robert E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910056523},
  note = {Source identifier: 19910056523}
}