@book{justhis1289,
           title = {Le r{\'e}gime p{\'e}nitentiaire belge et la Loi de d{\'e}fense sociale},
          author = {Roger Cahen},
         address = {Paris},
       publisher = {Sirey},
            year = {1936},
        keywords = {law wet loi
"d{\'e}fense sociale"	"bescherming van de maatschappij "	"social defence"
prison	penitentiary jail	gevangenis

},
             url = {http://www.just-his.be/eprints/1289/}
}