@book{justhis1486,
           title = {Hedendaagse penitentiaire methodes},
          author = {J Dupreel},
         address = {Nivelles},
       publisher = {Drukkerij van het Gevangeniswezen},
            year = {1956},
        keywords = {prison	penitentiary jail	gevangenis
},
             url = {http://www.just-his.be/eprints/1486/}
}