?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=P.&rft.au=Vrieze%2C+P.&rft.aulast=Vrieze&rft.title=Moving+frontiers%2C+New+Changes&rft.degree=Doctoral&rft.date=2005