@misc{indiciaed369f7c59be3,
  title = {F-15 flight flutter test program},
  author = {Katz, H. and Foppe, G. F. and Grossman, D. T.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19770014093},
  note = {Source identifier: 19770014093}
}