@misc{indiciaef639f51ef7d2,
  title = {Charts for estimating boundary-layer transition on flat plates},
  author = {Hopkins, E. J. and Jillie, D. W. and Sorensen, V. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700020653},
  note = {Source identifier: 19700020653}
}