?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Vander+Velpen%2C+Jos&rft.aulast=Vander+Velpen&rft.aufirst=Jos&rft.date=1998&rft.btitle=Gu%C3%A8re+civil+%3A+de+la+gendarmerie+%C3%A0+la+police+unique&rft.genre=book