G. J. van Opdorp R. F. Walker J. A. Schrickx Cees Groendijk P. H. van den Berg Networks at Work: A Connectionist Approach to Non-Deductive Legal Reasoning. 278-287 1991 ICAIL http://doi.acm.org/10.1145/112646.112682 db/conf/icail/icail91.html#OpdorpWSGB91