?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Bauwens%2C+L%C3%A9on&rft.aulast=Bauwens&rft.aufirst=L%C3%A9on&rft.date=1954&rft.btitle=Code+de+l'enseignement+moyen&rft.genre=book