Feng Li, Qing H. Liu and David P. Klemer (2021) “Numerical Simulation of High Electron Mobility Transistors based on the Spectral Element Method”, Applied Computational Electromagnetics Society Journal (ACES), 31(10), pp. 1144–1150. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/9859 (Accessed: 14 May 2026).