References
[1]. P. Alegre , K. Arslan, A. Carriazo, C. Murathan and G. Öztürk: (2010). Some Special Types of Developable Ruled Surface, Hacettepe Journal of Mathematics and Statistics 39 (3), 319 -- 325.
[2]. W.K. Clifford: (1873). Preliminary sketch of bi-quaternions, Proceeding of London Mathematical Society, 4 (64), 361-395.
[3]. G.R. Veldkamp: (1976). On the use of dual numbers, vectors and matrices in instantaneous, spatial kinematics, Mech. Mach. Theory, 11, 141-156.
[4]. V. Brodsky, M. Shoham: (1999). Dual numbers represantation of rigid body dinamics, Mech. Mach. Theory, 34, 975-991.
[5]. W. Blaschke: (1948). Zur Bewegungsgeometrieauf der Kugel, Sitzungsberichte der Heidelberger Akademie der Wissenschaften, Math-Natur. Wiss. Klasse. 2, Abhandlung 3.
[6]. Ö. Köse: (1999). A method of the determination of a developable ruled surface, Mechanism and Machine Theory 34, 1187-1193.
[7]. M. A. Lancret: (1806). Memoire sur les courbes `a double courbure, Memoires presentes alInstitut 1, 416-454.
[8]. E. Study: (1903). Geometrie der Dynamen, Leipzig.
[9]. D. J. Struik: (1988). Lectures on Classical Differential Geometry, Dover, New-York.
[10]. R. Uribe-Vargas: (2005). On vertices, focal curvatures and differential geometry of space curves, Bull. Brazilian Math. Soc. 36 (3), 285--307.
[11]. A. Yücesan, N. Ayyildiz, and A. C. Çöken: (2007). On rectifying dual space curves, Rev. Mat. Complut. 20 (2), 497-506.
[12]. M.Yeneroglu and V. Asil: (2010). On rotation surfaces with pointwise 1-type Gauss map in the 3-dimensional dual space. World Applied Sciences Journal 12 (3) (2011), 354-357.
[13]. T. Körpinar, E. Turhan and S. Bas: (2013). Characterizing of Dual Focal Curves in D3, Bol. Soc. Paran. Mat. 31 (2), 76-81.
