@misc{indiciaeef9421c33254,
  title = {A summary report on system effectiveness and optimization study},
  author = {Williamson, O. L. and Rydberg, A. J. and Dorris, G.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730000104},
  note = {Source identifier: 19730000104}
}