LaRocca, B. F. ., and M. S. . Mirotznik. “An Empirical Loss Model for an Additively Manufactured Luneburg Lens Antenna”. Applied Computational Electromagnetics Society Journal (ACES), vol. 37, no. 05, May 2022, pp. 554-67, doi:10.13052/2022.ACES.J.370505.