@misc{indiciae9dbfd0d53a95,
  title = {Experience with flight test trajectory guidance},
  author = {Swann, M. R. and Duke, E. L. and Enevoldson, E. K. and Wolf, T. D.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820030844},
  note = {Source identifier: 19820030844}
}