Outline of a set of points. - Yossi Gofman (Pattern Recognit. Lett., 1993)

Detecting Grey Level Symmetry: The Frequency Domain Approach. - Yossi Gofman; Nahum Kiryati (CAIP, 1995)

Detecting Symmetry in Grey Level Images: The Global Optimization Approach. - Nahum Kiryati; Yossi Gofman (Int. J. Comput. Vis., 1998)