@misc{indiciaea8198bba4ab6,
  title = {Structural materials research for lighter-than-air systems},
  author = {Alley, V. L., Jr. and Mchatton, A. D.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19750052938},
  note = {Source identifier: 19750052938}
}