Mehdi Dastani Birna van Riemsdijk Frank Dignum John-Jules Ch. Meyer A Programming Language for Cognitive Agents Goal Directed 3APL. 111-130 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3067&spage=111 2003 conf/promas/2003 PROMAS db/conf/promas/promas2003.html#DastaniRDM03