@misc{indiciae511812d26d17,
  title = {Study of an automatic trajectory following control system},
  author = {Vanlandingham, H. F. and Moose, R. L. and Zwicke, P. E. and Lucas, W. H. and Brinkley, J. D.},
  year = {1983},
  url = {https://ntrs.nasa.gov/citations/19830021000},
  note = {Source identifier: 19830021000}
}