ROMANIUK, Ryszard S. WILGA Photonics and Web Engineering 2010. Photonics Letters of Poland, [S. l.], v. 2, n. 2, p. pp. 55–57, 2010. DOI: 10.4302/photon. lett. pl.v2i2.131. Disponível em: https://photonics.pl/PLP/index.php/letters/article/view/2-19. Acesso em: 19 apr. 2024.