“DOUBLE LAYER FREQUENCY SELECTIVE SURFACE WITH BROAD BANDWIDTH, HIGH SELECTIVITY AND GOOD ANGULAR STABILITY” (2022) REVUE ROUMAINE DES SCIENCES TECHNIQUES — SÉRIE ÉLECTROTECHNIQUE ET ÉNERGÉTIQUE, 67(4), pp. 473–478. Available at: https://journal.iem.pub.ro/rrst-ee/article/view/221 (Accessed: 21 November 2024).