?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Van+Severen%2C+L.&rft.aulast=Van+Severen&rft.aufirst=L.&rft.date=1963&rft.btitle=Code+de+droit+du+travail%2C+coordonn%C3%A9+et+annot%C3%A9.+Pr%C3%A9face+de+H.+Lenaerts&rft.genre=book