1. Some Psychological Aspects of Pattern Recognition, Recognizing Patterns;Kolers,1968
2. Visual Pattern Recognition;Dodwell,1970
3. Syntactic Methods in Pattern Recognition;Fu,1974
4. “Experiments With an Online Picture Language,”;Kasvand,1972
5. Kasvand, T., “Segmentation of Single Gray-Level Pictures of General 3D Scenes,” Second International Joint Conference on Pattern Recognition, August, 1974, pp. 372–373.