@misc{1179186,
  author = {Arthur D Yaghjian},
  title = {Approximate formulas for the far fields and gain of open-ended rectangular waveguide:},
  year = {1983},
  month = {1983-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.IR.83-1689},
  language = {en},
}