?url_ver=Z39.88-2004&rft_id=10.1145%2F508791.508800&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Bettini&rft.aufirst=Lorenzo&rft.au=Bettini%2C+Lorenzo&rft.date=2002&rft.btitle=Proceedings+of+the+2002+ACM+symposium+on+Applied+computing+(SAC+'02)&rft.title=Software+update+via+mobile+agent+based+programming&rft.genre=bookitem