@conference {moran2016generalized, title = {Generalized Scattering Matrix of the discontinuity between an equilateral triangular waveguide and a rectangular, circular or elliptical waveguide}, booktitle = {Microwave Conference (APMC), 2016 Asia-Pacific}, year = {2016}, pages = {1{\textendash}4}, publisher = {IEEE}, organization = {IEEE}, author = {Mor{\'a}n-L{\'o}pez, Ana and J C{\'o}rcoles and Ruiz-Cruz, Jorge A and Montejo-Garai, Jos{\'e} R and Rebollar, Jes{\'u}s M} }