?url_ver=Z39.88-2004&rft_id=10.1002%2Fmop.24845&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Carlos&rft.au=G%C3%B3mez+Calero%2C+Carlos&rft.aulast=G%C3%B3mez+Calero&rft.pages=213-216&rft.issn=0895-2477&rft.date=January+2010&rft.volume=52&rft.atitle=A+Novel+Ultra-Wideband+Frequency+Planar+Notch-filter+Antenna.&rft.title=Microwave+and+Optical+Technology+Letters&rft.issue=1&rft.genre=article