@misc{indiciaeefaee481ad97,
  title = {Optimal space communications techniques Status report, 16 Dec. 1969 - 15 Mar. 1970},
  author = {Schilling, D. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700016527},
  note = {Source identifier: 19700016527}
}