Do Long Van Igor Litovsky On a Family of Codes with Bounded Deciphering Delay. 369-380 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2450&spage=369 2002 conf/dlt/2002 Developments in Language Theory db/conf/dlt/dlt2002.html#DoL02