K. Suzanne Barber Jisun Park Agent Belief Autonomy in Open Multi-agent Systems. 7-16 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2969&spage=7 2003 conf/atal/2003autonomy Agents and Computational Autonomy db/conf/atal/autonomy2003.html#BarberP03