@misc{indiciaeed33735b747a,
  title = {Horn antenna with v-shaped corrugated surface},
  author = {Beck, F. B. and Mentzer, C. A. and Peters, L., Jr.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19740000260},
  note = {Source identifier: 19740000260}
}