@book{justhis1425,
           title = {Des conditions d'application du syst{\`e}me d'emprisonnement s{\'e}par{\'e} et cellulaire},
          author = {Edouard Ducp{\'e}tiaux},
         address = {Bruxelles},
       publisher = {Hayez},
            year = {1857},
        keywords = {prison	penitentiary jail	gevangenis
cellule	cellular	cel

},
             url = {http://www.just-his.be/eprints/1425/}
}