@misc{indiciae8f5d9eed4299,
  title = {Modal interpolation program, L215 (INTERP). Volume 1: Engineering and usage},
  author = {Kroll, R. I. and Hirayama, M. Y.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19790023993},
  note = {Source identifier: 19790023993}
}