@misc{indiciae53e3a96ea6c6,
  title = {Vanguard I Satellite Structure and Separation Mechanism},
  author = {Shea, John T. and Baumann, Robert C.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19980228199},
  note = {Source identifier: 19980228199}
}