1. The short-term retention of active and passive sentences;Anderson,1963
2. Three models for the description of language;Chomsky;I. R. E. Trans. on Information Theor.,1956
3. Syntactic structures;Chomsky,1957
4. Uncertainty and structure as psychological concepts;Garner,1962
5. Some psychological studies of grammar;Miller;Amer. Psychologist,1962