Yin Leng Theng Dion Hoe-Lian Goh Ming Yin Eng-Kai Suen Ee-Peng Lim Design Lessons on Access Features in PAPER. 594-607 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3334&spage=594 2004 conf/icadl/2004 ICADL db/conf/icadl/icadl2004.html#ThengGYSL04