[ACM] CACM 10(11) (Nov 1967)

(1957) Communications of the ACM  

Levien, R and Maron, M. E. (1967) Levien, R and Maron, M. E. "A computer system for inference execution and data retrieval" M. D. Ostreicher, M. J. Bailey, and J.1. Strauss, (1967) M. D. Ostreicher, M. J. Bailey, and J.1. Strauss, "GEORGE 3-A general purpose timesharing and operating system" pp685- 693