?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Elkins%2C+Zachary&rft.aulast=Elkins&rft.aufirst=Zachary&rft.tpages=270&rft.isbn=9780521731324&rft.date=December+2009&rft.btitle=The+Endurance+of+National+Constitutions&rft.genre=book