M. Wick, M. Jüttner, and W. Rucker. Compel : international journal for computation and mathematics in electrical and electronic engineering, 36 (5):
1386-1395(2017)
M. Jüttner, A. Buchau, and W. Rucker. The 12th International Workshop on Finite Elements for Microwave Engineering - FEM2014, page 65. Chengdu, China, (2014)