1. Null Bertrand curves in Minkowski 3-space and their characterizations;Balgetir;Note Mat.,2004
2. Mẽmoire sur la thẽorie des courbes ẽ double courbure;Bertrand;J. de Mathẽmatiques Pures et Appliquẽes,1850
3. On the generalized Bertrand curves in Euclidean N-spaces;Cheng;Note Mat.,2009
4. Bertrand curves in 3-dimensional space forms;Choi;Appl. Math. Comput.,2012
5. Differential Geometry of Curves and Surfaces;Do Carmo,1976