1. The Anatomy of LISP;Allen,1978
2. Space/time tradeoff in hash coding with allowable errors;Bloom;Commun. ACM,1970
3. The American Heritage Word Frequency Book;Carroll,1971
4. Representing natural language in extended semantic networks;Cercone,1975
5. Design of lexicons in some natural language systems;Cercone;ALLC J.,1980