Kilikevičius, A., V. Vekteris, and V. Mokšin. “Dynamics of a Carriage System of Comparator for Calibrating the Line Standards of Length”. The Journal of Engineering Research [TJER] 12, no. 2 (December 1, 2015): 15–21. Accessed April 18, 2021. https://journals.squ.edu.om/index.php/tjer/article/view/159.