1. On the automatic formation of a computer program which represents a theory;Amarel,1962
2. Representations and modelling in problems of program formation;Amarel,1971
3. On the synthesis of finite-state machines from samples of their behavior;Biermann;IEEE Trans. Electron. Computers,1972
4. A survey of results in grammatical inference;Biermann,1972
5. Computability and Unsolvability;Davis,1958