HALF-HARMONIC OSCI LLATIONS AT rf INDUCED STEPS IN SUPERCONDUCTING MICROBRIDGES AND TUNNEL JUNCTIONS J. Mygind, N.F. Pedersen, O.H. Soerense and B. Dueholm J. Phys. Colloques, 39 C6 (1978) C6-597-C6-598 DOI: 10.1051/jphyscol:19786269