?url_ver=Z39.88-2004&rft_id=10.1109%2FRFM.2011.6168739&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=C.&rft.aulast=Sovuthy&rft.au=Sovuthy%2C+C.&rft.title=Quasi-elliptic+triple-mode+filter&rft.date=2011&rft.isbn=9781457716294&rft.genre=proceeding