Ayyildiz, N., and Ș.N. Yalçin. “On Instantaneous Invariants in Dual Lorentzian Space Kinematics”. Archives of Mechanics 62, no. 3 (July 1, 2010): 223–238. Accessed December 8, 2025. https://am.ippt.pan.pl/index.php/am/article/view/v62p223.