Romaniuk, Ryszard S. “Photonics Letters of Poland - a New Peer Reviewed Internet Publication of the Photonics Society of Poland”. Photonics Letters of Poland 1, no. 1 (March 28, 2009): pp. 1–3. Accessed February 22, 2024. https://www.photonics.pl/PLP/index.php/letters/article/view/1-1.