@misc{indiciaed3d9827964ce,
  title = {Big antenna systems for deep-space communications.},
  author = {Ludwig, A. C. and Merrick, W. D. and Potter, P. D.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19660062954},
  note = {Source identifier: 19660062954}
}