___

• [1] Birman, G.S. and Nomizu, K., Trigonometry in Lorentzian Geometry, The American Mathe- matical Monthly, 91(1984), no. 9, 543-549.
• [2] Blaschke, W. and Mu¨ller, H.R., Ebene Kinematik, Verlag Oldenbourg, München, 1956.
• [3] Ergin, A. A., On the One-Parameter Lorentzian Motion, Comm. Fac. Sci. Univ. Ankara, Series A, 40(1991), 59-66.
• [4] Helzer, G., Special Relativity with Acceleration, The American Mathematical Monthly, 107(2000), no. 3, 219-237.
• [5] Yaglom, I.M., A Simple Non-Euclidean Geometry and Its Physical Basis, Springer-Verlag, New York, 1979.