Ding, J. J. ., R. S. . Chen, J. . Zhu, Z. H. . Fan, and D. Z. . Ding. “A Redundant Loop Basis for Closed Structures With Application to MR Basis”. Applied Computational Electromagnetics Society Journal (ACES), vol. 26, no. 3, May 2022, pp. 225-33, https://journals.riverpublishers.com/index.php/ACES/article/view/15291.