BALAIŠIS, P.; ŽICKIS, A. Efficiency of Poly-controlled Endotechnologies. Elektronika ir Elektrotechnika, [S. l.], v. 75, n. 3, p. 13–16, 2007. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10383.. Acesso em: 8 feb. 2026.