@book{justhis6410,
           title = {L'usufruit immobilier suivi d'un aper{\cc}u des droits r{\'e}els immobiliers},
          author = {M. Hilbert},
         address = {Tamines},
       publisher = {Duculot-Roulin},
            year = {1959},
             url = {http://www.just-his.be/eprints/6410/}
}