?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Hamels%2C+J.&rft.aulast=Hamels&rft.aufirst=J.&rft.date=1943&rft.btitle=Code+des+droits+intellectuels.+Brevets%2C+marques%2C+dessins+et+mod%C3%A8les+industriels%2C+droit+d'auteur%2C+concurrence+d%C3%A9loyale.+Pr%C3%A9face+de+M.Capart&rft.tpages=458&rft.genre=book