@misc{indiciaeb208454c43e6,
  title = {Envelopes for Robotic Balloon Vehicles},
  author = {Yavrouian, A. and Plett, G. and Yen, E. and Cuddihy, E. F. and Moacanin, J. and Smith, S., Jr.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20060035909},
  note = {Source identifier: 20060035909}
}