@book{justhis5825,
           title = {Droit commercial. A l'usage de l'enseignement et de la pratique, 4e {\'e}d.},
          author = {L. Chalon},
         address = {Bruxelles},
       publisher = {Vanderlinden},
            year = {1948},
             url = {http://www.just-his.be/eprints/5825/}
}