Larsson, C. ., and M. . Gustafsson. “Wideband Measurements of the Forward RCS and the Extinction Cross Section”. Applied Computational Electromagnetics Society Journal (ACES), vol. 28, no. 12, Sept. 2021, pp. 1145-52, https://journals.riverpublishers.com/index.php/ACES/article/view/11221.