PORINS, J.; IVANOVS, G.; SUPE, A. Measurements of Nonlinear Coefficient in OS2 Optical Fiber. Elektronika ir Elektrotechnika, [S. l.], v. 101, n. 5, p. 53–56, 2010. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/9425.. Acesso em: 8 feb. 2026.