@misc{indiciaed07eae8e3bc5,
  title = {Landing airfields selection with implicit designs and operations for shuttle orbiters},
  author = {Ferguson, J. E. and Pettit, M. C. and Richeson, G. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710007195},
  note = {Source identifier: 19710007195}
}