?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aulast=Wong&rft.au=Wong%2C+P.W.&rft.aufirst=P.W.&rft.isbn=9784902339222&rft.date=2010&rft.title=Miniaturized+dual+mode+microwave+filter&rft.genre=proceeding