@misc{indiciaea05689d21635,
  title = {Simulation of thin slot spirals and dual circular patch antennas using the finite element method with mixed elements},
  author = {Gong, Jian and Volakis, John L. and Nurnberger, Michael W.},
  year = {1995},
  url = {https://ntrs.nasa.gov/citations/19950013380},
  note = {Source identifier: 19950013380}
}