@misc{indiciae0d60c65f11d6,
  title = {Precision Pointing Control System (PPCS) system design and analysis},
  author = {Frew, A. M. and Eisenhut, D. F. and Farrenkopf, R. L. and Gates, R. F. and Iwens, R. P. and Kirby, D. K. and Mann, R. J. and Spencer, D. J. and Tsou, H. S. and Zaremba, J. G.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19750002085},
  note = {Source identifier: 19750002085}
}