Investigation of the resonance behavior of a MR-birdcage applying a 3-D-FEM code Renhart, W. ; Biro, O. ; Wach, P. ; Stollberger, R. Abstract Publication: IEEE Transactions on Magnetics Pub Date: September 2001 DOI: 10.1109/20.952691 Bibcode: 2001ITM....37.3688R