Valinevičius, A., P. Balaišis, D. Eidukas, N. Bagdanavičius, and E. Keras. “Biotronic System Network Efficiency Investigation”. Elektronika Ir Elektrotechnika, vol. 67, no. 3, Mar. 2006, pp. 13-18, https://eejournal.ktu.lt/index.php/elt/article/view/10624.