Expert Systems - intro and many links
Historical Projects at Stanford University - short
description of many expert systems (MYCIN, DENDRAL, ...)
MYCIN - one of the first expert system, short overview
TMYCIN Beskrivelse av Tiny Mycin, enkelt Lisp-basert ekspertsystemskall basert på EMYCIN (Empty Mycin). Brukes i en av øvingene i faget.

SOAR Home Page - general cognitive architecture for
developing intelligent behavior systems
Systems Examples:
Whale recognizer ES - online simple expert system

TRANS - an article about rule-based expert system used
for planning Hubble Space
Telescope operations
An early paper by William Long about model-based, causal reasoning in medicine.