@misc{indiciaee3b517312403,
  title = {Functional definition and design of a USDA system},
  author = {Evans, S. M. and Dario, E. R. and Dickinson, G. L.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800007261},
  note = {Source identifier: 19800007261}
}