Botha, M. M. . and Davidson, D. B. . (2022) “Investigation of an Explicit, Residual-Based, a Posteriori Error Indicator for the Adaptive Finite Element Analysis of Waveguide Structures”, Applied Computational Electromagnetics Society Journal (ACES), 21(1), pp. 63–71. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/16461 (Accessed: 13 May 2026).