John Plaice Yannis Haralambous Paul Swoboda Gábor Bella Moving Omega to an Object-Oriented Platform. 17-26 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3130&spage=17 2004 conf/tex/2004 TEX, XML, and Digital Typography db/conf/tex/tug2004.html#PlaiceHSB04