Arnim Buch Bernhard Humm Substance, People, and Tools - Knowledge Management at sd&m. 82-85 2005 conf/wm/2005lncs Wissensmanagement (LNCS Volume) http://dx.doi.org/10.1007/11590019_9 db/conf/wm/wm2005lncs.html#BuchH05a