@book{justhis2590,
           title = {La voirie communale},
          author = {Robert Wilkin},
         address = {Li{\`e}ge},
       publisher = {Imprimerie des Invalides},
            year = {1938},
        keywords = {voirie	roadway system	wegennet
communal gemeenschappelijk},
             url = {http://www.just-his.be/eprints/2590/}
}