?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Orban%2C+Oscar&rft.aulast=Orban&rft.aufirst=Oscar&rft.date=1906&rft.btitle=Le+droit+constitutionnel+de+la+Belgique&rft.genre=book