Marek A. Bednarczyk Wieslaw Pawlowski Luca Bernardinello Lucia Pomello Tomasz Borzyszkowski A Multi-facet Approach to Dynamic Agent Systems. 19-33 2008 85 Fundam. Inform. 1-4 http://iospress.metapress.com/content/1568h151744167u4/ db/journals/fuin/fuin85.html#BednarczykPBPB08