?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Vu%2C+Duc+Tiep&rft.aulast=Vu&rft.aufirst=Duc+Tiep&rft.date=13+August+2012&rft.title=A+Dual-band+Microstrip+Antenna+for+Mobile+Handsets&rft.genre=proceeding