@misc{indiciaebbc664c52895,
  title = {The ATS-F/Nimbus-E Tracking and Data Relay Experiment},
  author = {Heffernan, P. J. and Pickard, R. H.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700069833},
  note = {Source identifier: 19700069833}
}