@conference {moran2017efficient, title = {Efficient computation and orthonormalization of multiple TEM numerical modes arising from FEM for microwave computer-aided-design}, booktitle = {Numerical Electromagnetic and Multiphysics Modeling and Optimization for RF, Microwave, and Terahertz Applications (NEMO), 2017 IEEE MTT-S International Conference on}, year = {2017}, pages = {197{\textendash}199}, publisher = {IEEE}, organization = {IEEE}, author = {Mor{\'a}n-L{\'o}pez, Ana and J C{\'o}rcoles and Ruiz-Cruz, Jorge A} }