[mod.ai] OPS5 manual

Lee.Brownston@A.CS.CMU.EDU (08/05/86)

Write to the Department of Computer Science, Carnegie-Mellon University,
Pittsburgh, PA 15213 to request the OPS5 User's Manual.  Another source of
OPS5 information is "Programming Expert Systems in OPS5" by Brownston,
Farrell, Kant, and Martin (Addison-Wesley, 1985).