@misc{indiciae9689c21321d8,
  title = {Microwave device investigations},
  author = {Choudhury, K. K. D. and Haddad, G. I. and Kwok, S. P. and Masnari, N. A. and Trew, R. J.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19730003997},
  note = {Source identifier: 19730003997}
}