Quimby, J. T. ., Thompson, R. ., Marhefka, R. J. . and Rockway, J. D. . (2021) “A Spherical Harmonic Expansion Method for Accelerating the Interface Between the NEC-REF and NEC-BSC Codes”, Applied Computational Electromagnetics Society Journal (ACES), 30(01), pp. 22–29. Available at: https://journals.riverpublishers.com/index.php/ACES/article/view/10679 (Accessed: 12 May 2026).