“Describing Lorentz transformations, Doppler’s effect, Hubble’s law, and others in curvilinear coordinates using generalized biquaternions” (2024) Journal of Universal Science Research, 2(10), pp. 85–109. Available at: https://universalpublishings.com/~niverta1/index.php/jusr/article/view/7409 (Accessed: 23 November 2024).