Sarunas Raudys Viktoras Justickis Yerkes-Dodson Law in Agents' Training. 54-58 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2902&spage=54 2003 conf/epia/2003 EPIA db/conf/epia/epia2003.html#RaudysJ03