@misc{indiciaedef43a6acef0,
  title = {Process-Based Cost Estimation for Ramjet/Scramjet Engines},
  author = {Singh, Brijendra and Torres, Felix and Nesman, Miles and Reynolds, John},
  year = {2003},
  url = {https://ntrs.nasa.gov/citations/20030112778},
  note = {Source identifier: 20030112778}
}