?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.entcs.2008.04.097&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Lapadula%2C+Alessandro&rft.aulast=Lapadula&rft.aufirst=Alessandro&rft.issn=1571-0661&rft.issue=3&rft.pages=133-154&rft.volume=200&rft.date=2008&rft.title=Electronic+Notes+in+Theoretical+Computer+Science&rft.atitle=Service+discovery+and+negotiation+with+COWS&rft.genre=article