Barrier properties of grain boundary junctions in high-T/sub c/ superconductors Froehlich, O. M. ; Richter, P. ; Beck, A. ; Koelle, D. ; Gross, R. Abstract Publication: IEEE Transactions on Applied Superconductivity Pub Date: June 1997 DOI: 10.1109/77.622008 Bibcode: 1997ITAS....7.3189F