@ARTICLE {28328,
author={M. G. Silveirinha},
doi={10.1364/OE.27.014328},
journal={Optics Express},
title={Hidden time-reversal symmetry in dissipative reciprocal systems},
year={2019},
month={May},
volume={27},
number={14328},
pages={1-10},
ISSN={1094-4087}
}