?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Vander+Haeghen%2C+P.&rft.aulast=Vander+Haeghen&rft.aufirst=P.&rft.date=1924&rft.btitle=R%C3%A9pertoire+des+droits+intellectuels+en+Belgique+et+au+Congo.+R%C3%A9sum%C3%A9+de+jurisprudence%2C+doctrine+et+l%C3%A9gislation+en+mati%C3%A8re+de+brevets%2C+marques%2C+mod%C3%A8les%2C+droits+d'auteur+et+concurrence+d%C3%A9loyale&rft.tpages=101&rft.genre=book