1. The bearing of the development of the jaws on irregularities;Tomes;Dent. Cosmos,1873
2. The Angle system of regulation and retention of the teeth and treatment of fractures of the maxillae;Angle,1895
3. Conditioned reflexes;Pavlov,1927
4. Cybernetics;Wiener,1948
5. Sensory feedback mechanisms of handwriting motions and their neurogeometric bases;Smith,1963