@misc{indiciae90d85f5d4163,
  title = {Inflatable nested toroid structure},
  author = {Johnson, Christopher J. and Raboin, Jasen L. and Spexarth, Gary R.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20120000546},
  note = {Source identifier: 20120000546}
}