@book{justhis6371,
           title = {L'{\'e}volution du droit de la faillite et des mesures pr{\'e}ventives en Belgique},
          author = {R. Piret},
         address = {Gembloux},
       publisher = {J. Duculot},
            year = {1949},
             url = {http://www.just-his.be/eprints/6371/}
}