Frank M. Lillehagen Einar Dehli Lasse Fjeld John Krogstie Håvard D. Jørgensen Utilizing Active Knowledge Models in an Infrastructure for Virtual Enterprises. 353-360 2002 conf/ifip5-5/2002 PRO-VE db/conf/ifip5-5/ifip5-5-2002.html#LillehagenDFKJ02