On EPAM:

1. Feigenbaum, Edward A. (1963), "The Simulation of Verbal Learning Behavior", in Edward A. Feigenbaum & Jerome Feldman (eds.), Computers and Thought (New York: McGraw-Hill). (Lockwood & SEL Q335.5 .F4)
2. Slagle, James R. (1971), Artificial Intelligence: The Heuristic Programming Approach (New York: McGraw-Hill), Ch. 12. (SEL Q335 .S57)
3. EPAM: Overview
4. Do a Google search on "EPAM and Feigenbaum"