TY - RPRT TI - Single-atom point contacts in the superconducting state. AU - BJ Vleeming AU - CJ Muller AU - MC Koops AU - de Bruyn Ouboter R PY - 1994 DO - 10.1103/physrevb.50.16741 UR - https://pubmed.ncbi.nlm.nih.gov/9976065/ ID - 9976065 ER -