@misc{indiciae652f0e9d540e,
  title = {Sun-powered aircraft designs},
  author = {Maccready, P. B. and Lissaman, P. B. S. and Morgan, W. R. and Burke, J. D.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830051359},
  note = {Source identifier: 19830051359}
}