@misc{indiciaed92ad8a0c228,
  title = {New simple feed network for an array module of four microstrip elements},
  author = {Oberhart, M. L. and Lo, Y. T. and Lee, R. Q. H.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870054364},
  note = {Source identifier: 19870054364}
}