1. An algorithm for feature extraction and applications to hand-printed character recognition;Abdali,1968
2. An experimental study of machine recognition of hand-printed numerals;Bakis;IEEE Trans. Sys. Sci. Cyb.,1968
3. Determination and detection of features in patterns;Block,1964
4. Principes et Applications de l'Analyse Booléenne;Carvallo,1965
5. A computer searching criterion for best feature set in character recognition;Chen,1965