Daniel A. Tietze Ajit Bapat Rolf Reinema Document-Centric Groupware for Distributed Governmental Agencies. 173-190 http://link.springer.de/link/service/series/0558/bibs/1413/14130173.htm 1998 conf/caise/1998 CAiSE db/conf/caise/caise98.html#TietzeBR98