S. Gečys and P. Smolskas, “Design Aspects of Electric Motors for Borehole Investigating Mechatronic System”, ELEKTRON ELEKTROTECH, vol. 74, no. 2, pp. 75–78, Feb. 2007, Accessed: Feb. 07, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/10379