R. Plėštys and D. Šinickas, “Efficiency Evaluation of Virtual Concatenation in SDH Network”, ELEKTRON ELEKTROTECH, vol. 61, no. 5, pp. 75–78, May 2005, Accessed: Feb. 08, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/10452