Determination of the characteristic frequency of two–level system in the modulated optical field. Elektronika ir Elektrotechnika, [S. l.], v. 67, n. 3, p. 61–64, 2006. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10634.. Acesso em: 5 dec. 2025.