@misc{indiciae8d9856e0a6f2,
  title = {System cost-effectiveness model report},
  author = {Hart, G. D. and Mankolevite, R. H. and Nielsen, D. R.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19760067857},
  note = {Source identifier: 19760067857}
}