George Vossos John Zeleznikow Tharam S. Dillon Vivian Vossos An Example of Integrating Legal Case Based Reasoning with Object-Oriented Rule-Based Systems: IKBALS II. 31-41 1991 ICAIL http://doi.acm.org/10.1145/112646.112650 db/conf/icail/icail91.html#VossosZDV91