Ferruccio Damiani Sophia Drossopoulou Paola Giannini Refined Effects for Unanticipated Object Re-classification: Fickle<sub>3</sub>. 97-110 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2841&spage=97 2003 conf/ictcs/2003 ICTCS db/conf/ictcs/ictcs2003.html#DamianiDG03