Alexandru Suna Amal El Fallah-Seghrouchni Programming mobile intelligent agents: An operational semantics. 47-67 2007 5 Web Intelligence and Agent Systems 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1570-1263&volume=5&issue=1&spage=47 db/journals/wias/wias5.html#SunaF07