OBSERVATION OF SUBHARMONIC GAP STRUCTURES IN SUPERCONDUCTING THIN FILM TUNNEL JUNCTIONS FAVOURING MULTIPARTICLE TUNNELING THEORY P. MukhopadhyayJ. Phys. Colloques, 39 C6 (1978) C6-595-C6-596DOI: https://doi.org/10.1051/jphyscol:19786268
