1. Can programming be literated from the Von Neumann style?;Backus;Communication of the ACM,1978
2. On the Epistemological Status of Semantic Networks;Brachman,1978
3. A tree machine;Browning;Lambda Magazine,1980
4. Relational Completeness of Data Base Sub-languages;Codd,1972
5. The Architecture of CASSM: A Cellular System for Non-numeric Processing;Copeland,1973