@misc{indiciae922c50373f32,
  title = {Concentric Nested Toroidal Inflatable Structures},
  author = {Johnson, Christopher J. and Raboin, Jasen L. and Spexarth, Gary R.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20100005259},
  note = {Source identifier: 20100005259}
}