@misc{indiciaec60211970fe3,
  title = {Gravity gradient stabilization system elements and antenna structures Final report, Jun. 1965 - Dec. 1966},
  author = {Rothstein, S.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670016691},
  note = {Source identifier: 19670016691}
}