?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Keunings%2C+Luc&rft.aulast=Keunings&rft.aufirst=Luc&rft.issue=169&rft.date=1989&rft.atitle=Les+grandes+%C3%A9tapes+de+l'%C3%A9volution+de+la+police+secr%C3%A8te+en+Belgique+au+XIXe+si%C3%A8cle&rft.title=Bulletin+trimestriel+du+Cr%C3%A9dit+communal+de+Belgique&rft.pages=3-30&rft.genre=article