@misc{indiciaeb0d1d6ddba38,
  title = {Heavy-lift airship dynamics},
  author = {Tischler, M. B. and Ringland, R. F. and Jex, H. R.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830047798},
  note = {Source identifier: 19830047798}
}