Josephson voltage standard microwave circuit driven at 10 GHz H.-G. Meyer, H.-J. Köhler, G. Wende, A. Chwala, E. Vollmer, U. Stumper, K. Blüthner and P. Weber J. Phys. IV France, 04 C6 (1994) C6-243-C6-248 DOI: 10.1051/jp4:1994639