Benjamin Bell Jan Hawkins R. Bowen Loftin Tom Carey Alex Kass The Use of 'War Stories' in Intelligent Learning Environments. 619 http://link.springer.de/link/service/series/0558/bibs/1452/14520619.htm 1998 conf/its/1998 Intelligent Tutoring Systems db/conf/its/its1998.html#BellHLCK98