1. C. Camci, L. Kula, K. Ilarslan, Characterizations of the position vector of a surface curve in Euclidean 3-space, An. Ştiinţ. Univ. “Ovidius” Constanţa, Ser. Mat. 19(3) (2011), 59-70.
2. B.-Y. Chen, What does the position vector of a space curve always lie in its rectifying plane?, Am. Math. Mon. 110 (2003), 147-152.
3. B.-Y. Chen, F. Dillen, Rectfying curve as centrode and extremal curve, Bull. Inst. Math. Acad. Sinica 33(2) (2005), 77-90.
4. S. Deshmukh, B.-Y. Chen, S.H. Alshammari, On rectifying curves in Euclidean 3-space, Turk. J. Math. 42 (2018), 609-620.
5. M.P. do Carmo, Differential Geometry of Curves and Surfaces, Prentice-Hall, New Jersey, 1976.