@misc{indiciae205fa7eda5a5,
  title = {A user's guide for V174, a program using a finite difference method to analyze transonic flow over oscillating wings},
  author = {Butler, T. D. and Weatherill, W. H. and Sebastian, J. D. and Ehlers, F. E.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780004070},
  note = {Source identifier: 19780004070}
}