Anders Kofod-Petersen Jörg Cassens Agnar Aamodt Explanatory Capabilities in the CREEK Knowledge-Intensive Case-Based Reasoner. 28-35 2008 SCAI http://dx.doi.org/10.3233/978-1-58603-867-0-28 conf/scai/2008 db/conf/scai/scai2008.html#Kofod-PetersenCA08