?url_ver=Z39.88-2004&rft_id=10.1103%2FPhysRevE.66.016133&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Stefano&rft.aulast=Ciliberti&rft.au=Ciliberti%2C+Stefano&rft.issn=1539-3755&rft.volume=66&rft.issue=1&rft.atitle=Local+rigidity+in+sandpile+models&rft.title=Physical+Review+E&rft.date=2002&rft.genre=article