?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=1&rft.volume=4&rft.date=January+1989&rft.atitle=The+Secret+Police+in+Nineteenth-Century+Brussels&rft.title=Intelligence+and+National+Security&rft.pages=59-85&rft.genre=article