OVECHKO, V. Kramers–Kronig Relations – Supplementary Technique to the Time-Domain Spectroscopy. Ukrainian Journal of Physics, [S. l.], v. 65, n. 12, p. 1051, 2020. DOI: 10.15407/ujpe65.12.1051. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019534. Acesso em: 20 jan. 2021.