?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.ic.2007.03.004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=De+Nicola%2C+Rocco&rft.aulast=De+Nicola&rft.aufirst=Rocco&rft.title=Information+and+Computation&rft.atitle=Basic+observables+for+a+calculus+for+global+computing&rft.date=2007&rft.volume=205&rft.issue=10&rft.pages=1491-1525&rft.issn=0890-5401&rft.genre=article