1. Internal representations of sequential concepts;Gregg,1967
2. An information processing analysis of some Piagetian experimental tasks;Klahr;Cognitive Psychology,1970
3. An empirical test of the Simon & Kotovsky “concept former” model of human letter series sequence extrapolation behavior;Kotovsky,1970
4. Automation using LISP, of inductive inference on sequences;Pivar,1964