@book{justhis5981,
           title = {Trait{\'e} th{\'e}orique et pratique des constructions {\'e}rig{\'e}es sur le terrain d'autrui},
          author = {P. Levie},
         address = {Louvain},
       publisher = {Publications Universitaires},
            year = {1951},
             url = {http://www.just-his.be/eprints/5981/}
}