@book{justhis5031,
           title = {Droit minier au Congo belge},
          author = {Paul Orban},
         address = {Bruxelles},
       publisher = {Bruylant},
            year = {1938},
        keywords = {Congo, Congo belge, mines, droit minier},
             url = {http://www.just-his.be/eprints/5031/}
}