@misc{indiciae2eed1f426b54,
  title = {Study of Rectangular-guide-like Structures for Millimeter Wave Transmission Progress Report, 1 Feb. - 31 May 1970},
  author = {Tischer, F. J.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700027123},
  note = {Source identifier: 19700027123}
}