Ravindranath Jampani Risivardhan Thonangi Prosenjit Gupta 263-272 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3356&spage=263 2004 conf/cit/2004 CIT db/conf/cit/cit2004.html#JampaniTG04