?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Malone&rft.aufirst=E&rft.au=Malone%2C+E&rft.title=IEEE+Trans+Med+Imaging&rft.pages=340+-+350&rft.date=February+2014&rft.issue=2&rft.atitle=Multifrequency+electrical+impedance+tomography+using+spectral+constraints&rft.volume=33&rft.genre=article