Pairon, T., Craeye, C., & Oestges, C. (2021). Improved Physical Optics Computation Near the Forward Scattering Region: Application to 2-D Scenarios. IEEE Transactions on Antennas and Propagation, 69(1), 417-428. https://doi.org/10.1109/TAP.2020.3008669 (Original work published 2021)