Ledley, Robert S.; and Rotolo, Louis S. "Application of pattern recognition to biomedical problems" pp323-362.

Grasselli, A. (1969) Grasselli, A. (Ed.) Automatic interpretation and classification of images, Academic Press, New York, 1969  

Languages mentioned BUGSYS {1964} Pattern based animation language SYNTAXSYS {1965} SEmantic acces to picture subsegments