MARZEC, Stanisław. SAFETY OF LEDS USED. Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, [S. l.], v. 5, n. 3, p. 53–54, 2015. DOI: 10.5604/20830157.1166554. Disponível em: https://ph.pollub.pl/index.php/iapgos/article/view/1066. Acesso em: 29 mar. 2024.