Samir Chopra Eric Pacuit Rohit Parikh Knowledge-Theoretic Properties of Strategic Voting. 18-30 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3229&spage=18 2004 conf/jelia/2004 JELIA db/conf/jelia/jelia2004.html#ChopraPP04