Martin, T., and L. Pettersson. “FDTD Time Domain Near- to Far-Zone Transformation Above a Lossy Dielectric Half-Space”. Applied Computational Electromagnetics Society Journal (ACES), vol. 16, no. 1, July 2022, pp. 45-52, https://journals.riverpublishers.com/index.php/ACES/article/view/17025.