Gruszka, K. and Berski, S. 2025. The Impact of Finite Size Effects on the Transmission of Electromagnetic Waves in a Defected, Perforated Waveguide. Acta Physica Polonica A ISSN 1898-794X . 147, 3 (Apr. 2025), 280. DOI:https://doi.org/10.12693/APhysPolA.147.280.