?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Tran%2C+Thi+Thuy+Quynh&rft.aulast=Tran&rft.aufirst=Thi+Thuy+Quynh&rft.date=22+November+2010&rft.title=Direction-Of-Arrival+Estimation+using+Special+Phase+Pattern+Antenna+Elements+in+Uniform+Circular+Array&rft.genre=proceeding