@misc{indiciae1e8d12e70901,
  title = {Ground to Air Flow Visualization using Solar Calcium-K line Background Oriented Schlieren},
  author = {Hill, Michael A. and Haering, Edward A., Jr.},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20160007969},
  note = {Source identifier: 20160007969}
}