@misc{indiciaeaed14d3cf52f,
  title = {Stirling to Flight Initiative},
  author = {Hibbard, Kenneth E. and Mason, Lee S. and Ndu, Obi and Smith, Clayton and Withrow, James P.},
  year = {2016},
  url = {https://ntrs.nasa.gov/citations/20160005320},
  note = {Source identifier: 20160005320}
}