?url_ver=Z39.88-2004&rft_id=10.1109%2FICACOMIT.2015.7440206&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=B.L.&rft.au=Ooi%2C+B.L.&rft.aulast=Ooi&rft.isbn=9781467374088&rft.date=2016&rft.title=Frequency-tunable+electromagnetic+energy+harvester+by+means+of+damping+switching&rft.genre=proceeding