@misc{indiciaeb932e26e0795,
  title = {Communications systems technology assessment study. Volume 2: Results},
  author = {Kelley, R. L. and Khatri, R. K. and Kiesling, J. D. and Weiss, J. A.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19790004102},
  note = {Source identifier: 19790004102}
}