1. Y. Bahar Sağıroğlu, Parametrik Eğrilerin Afin Diferansiyel İnvaryantları, Ph.D. Thesis, Karadeniz Technical University, Trabzon, 2002.
2. The fundamental theorems of curves and hypersurfaces in centro-affine geometry;Gardner;Bull. Belg. Math. Soc. Simon Stevin,1997
3. Ruled surfaces in Euclidean spaces;Neagu;Alge. Groups Geom.,2004
4. The equivalence of centro-equiaffine curves;Sağıroğlu;Turkish J. Math.,2010
5. On ruled surfaces in Euclidean space E3;Sarıoğlugil;Int. J. Contemp. Math. Sci.,2007