@book{justhis1456,
           title = {Statistique des prisons de la Belgique. P{\'e}riode de 1851 {\`a} 1855},
          author = {Edouard Ducp{\'e}tiaux},
         address = {Bruxelles},
       publisher = {Lesigne},
            year = {1857},
          series = {Rapport d{\'e}cennal sur la situation du Royaume},
        keywords = {Statistique prisons Belgique "1841-1850"},
             url = {http://www.just-his.be/eprints/1456/}
}