@misc{indiciaec2d6e84c76ea,
  title = {GRO attitude control and determination},
  author = {Jerkovsky, W. and Keranen, L. and Koehler, F. and Tung, F. and Ward, B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870045463},
  note = {Source identifier: 19870045463}
}