@misc{indiciaeb53f496ea643,
  title = {Guidance and control system research for improved terminal area operations},
  author = {Hueschen, R. M. and Creedon, J. F. and Bundick, W. T. and Young, J. C.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810010512},
  note = {Source identifier: 19810010512}
}