@ARTICLE {28104,
author={E.  Martini and M. G. Silveirinha and S.  Maci},
doi={10.1109/TAP.2018.2880091},
journal={IEEE Transactions on Antennas and Propagation},
title={Exact Solution for the Protected TEM edge mode in a PTD-Symmetric Parallel-Plate Waveguide},
year={2018},
month={November},
volume={??},
number={??},
pages={1-??},
ISSN={0018-926X}
}