Ac-Josephson effect in YBa2Cu3O7/PbSn point contact junctions Niemeyer, J. ; Dietrich, M. R. ; Politis, C. Abstract Publication: Zeitschrift fur Physik B Condensed Matter Pub Date: June 1987 DOI: 10.1007/BF01303975 Bibcode: 1987ZPhyB..67..155N