Application of Josephson series arrays to a DC quantum voltmeter. - Ralf Behr; L. Grimm; Torsten Funck; Johannes Kohlmann; Holger Schulze; Franz Müller 002; Bernd Schumacher; Peter Warnecke; Jürgen Niemeyer (IEEE Trans. Instrum. Meas., 2001)

Comparison of four QHR systems within one month using a temperature and pressure stabilized 100-Ω resistor. - Alexandre Satrapinski; Heikki Seppä; Bernd Schumacher; Peter Warnecke; François Delahaye; Wilfrid Poirier; François P. M. Piquemal (IEEE Trans. Instrum. Meas., 2001)

Transport behavior of commercially available 100-Ω standard resistors. - Bernd Schumacher; Peter Warnecke; Wilfrid Poirier; I. Delgado; Z. Msimang; Giorgio Boella; Per-Otto Hetland; Randolph E. Elmquist; Jonathan M. Williams; David Inglis; Beat Jeckelmann; Ove Gunnarsson; et al. (IEEE Trans. Instrum. Meas., 2001)

Stable cryogenic vacuum capacitor for single-electron charging experiments. - Gerd-Dietmar Willenberg; Peter Warnecke (IEEE Trans. Instrum. Meas., 2001)

Measuring resistance standards in terms of the quantized Hall resistance with a dual Josephson voltage standard using SINIS Josephson arrays. - Ralf Behr; Torsten Funck; Bernd Schumacher; Peter Warnecke (IEEE Trans. Instrum. Meas., 2003)

DC conductivity measurements in the Van der Pauw geometry. - Gert Rietveld; Chris V. Koijmans; Lesley C. A. Henderson; Michael J. Hall; Stuart Harmon; Peter Warnecke; Bernd Schumacher (IEEE Trans. Instrum. Meas., 2003)

A traceable precision current source for currents between 100 aA and 10 pA. - Gerd-Dietmar Willenberg; H. N. Tauscher; Peter Warnecke (IEEE Trans. Instrum. Meas., 2003)