?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J.&rft.aulast=Jaafar&rft.au=Jaafar%2C+J.&rft.volume=62&rft.issn=2010376X&rft.atitle=Dempster-Shafer's+approach+for+autonomous+virtual+agent+navigation+in+virtual+environments&rft.pages=389-393&rft.title=World+Academy+of+Science%2C+Engineering+and+Technology&rft.date=2010&rft.genre=article