@misc{indiciaef0d54d346a74,
  title = {Generalized Advanced Propeller Analysis System (GAPAS). Volume 2: Computer program user manual},
  author = {Glatt, L. and Crawford, D. R. and Kosmatka, J. B. and Swigart, R. J. and Wong, E. W.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19900020078},
  note = {Source identifier: 19900020078}
}