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• [1] Aminov, Yu. A., Differential Geometry And Topology Of Curves, Gordon And Breach Science Publishers, Singapore, (2000).
• [2] Çöken, A. C. and C¸ ift¸ci U¨ ., On The Cartan Curvatures Of A Null Curve In Minkowski Space- time, Geometriae Dedicata, 114, 71-78, (2005).
• [3] Duggal, K. L., Jin, D. H., Null Curves And Hypersurfaces Of Semi-Riemannian Manifolds, World Science, (2007).
• [4] Ferrandez, A.,Gimenez, A., Lucas, P., s-Degenerate Curves In Lorentzian Space Forms, Jour- nal Of Geometry And Physics, 45, 116-129, (2003).
• [5] Ferrandez, A., Gimenez, A., Lucas, P., Null Helices In Loentzian Space Forms, International Journal Of Modern Physics. A., 16, 4845-4863, (2001).
• [6] Ferrandez, A., Gimenez, A., Lucas, P., Degenerate Curves In Pseudo-Euclidean Spaces Of Index Two, Third International Conference On Geometry, Integrability And Quantization, Coral Press, Sofia, (2001).
• [7] Matsuda, H., Yorozu, S., Notes On Bertrand Curves, Yokohoma Mathematical Journal, 50, 41-58, (2003).
• [8] Millman, R. S., Parker, G. D., Elements Of Differential Geometry, Prentice-Hall, Inc. Engle- wood Cliffs, New Jersey, (1977).
• [9] O’neill, B., Semi-Riemannian Geometry, Academic Press, New York, (1983).