KACZMAREK, Tomasz. Ultra-short optical pulses having initial chirp. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 1, n. 1-2, p. 59–60, 2000. DOI: 10.26636/jtit.2000.1-2.12. Disponível em: https://www.jtit.pl/jtit/article/view/12. Acesso em: 19 jun. 2026.