Fundamental mode rectangular waveguide system for electron-cyclotron resonant heating (ECRH) for tandem mirror experiment-upgrade (TMX-U), article, December 1, 1983; (https://digital.library.unt.edu/ark:/67531/metadc1061667/m1/3/: accessed July 17, 2024), University of North Texas Libraries, UNT Digital Library, digital.library.unt.edu; .