DOROSZ, Dominik. The International Day of Light - May 16th. Photonics Letters of Poland, [S. l.], v. 9, n. 4, p. pp. 106, 2017. DOI: 10.4302/plp.v9i4.792. Disponível em: https://www.photonics.pl/PLP/index.php/letters/article/view/9-38. Acesso em: 13 apr. 2024.