@book{justhis1491,
           title = {Penitentiaire studi{\"e}n en perspectieven},
          author = {J Dupreel},
         address = {Nivelles},
       publisher = {Gevangenisdrukkerij},
            year = {1960},
        keywords = {prison	penitentiary jail	gevangenis
},
             url = {http://www.just-his.be/eprints/1491/}
}