@misc{indiciae34da7500d165,
  title = {Validation of spacecraft software cost estimation models for flight and ground systems},
  author = {Lum, K. and Powell, J. and Hihn, J.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060030894},
  note = {Source identifier: 20060030894}
}