@article{justhis1321,
           title = {L'{\'e}volution du r{\'e}gime p{\'e}nitentiaire},
          author = {Jean Constant},
            year = {1950},
           pages = {1001--1035},
         journal = {Revue de droit p{\'e}nal},
        keywords = {prison	penitentiary jail	gevangenis
},
             url = {http://www.just-his.be/eprints/1321/}
}