Analysis of different measurement setups for a programmable Josephson voltage standard. - Ralf Behr; Johannes Kohlmann; Theodoor J. B. M. Janssen; Peter Kleinschmidt; Jonathan M. Williams; Sophie Djordjevic; Jean-Pierre Lo-Hive; François P. M. Piquemal; Per-Otto Hetland; Dominique Reymann; Gunnar Eklund; Christian Hof; et al. (IEEE Trans. Instrum. Meas., 2003)