?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Keunings%2C+Luc&rft.aulast=Keunings&rft.aufirst=Luc&rft.date=2007&rft.btitle=Polices+secr%C3%A8tes+et+secrets+de+la+police+%C3%A0+Bruxelles+au+XIXe+si%C3%A8cle&rft.genre=book