1. Resolution 1, 24th meeting of the General Conference on Weights and Measures, 24_CGPM_Resolution_1, (2011).
2. Application of the Josephson effect in electrical metrology
3. Quantum AC Voltage Standards
4. Towards a 1 V Josephson Arbitrary Waveform Synthesizer
5. Behr R., Williams J.M., Sosso A., Starkloff M., Kieler O., Bauer S., Palafox L., Lee J., Möhring T. and Hagen T., Workshop on AC Quantum Voltage Standards. PTB, Braunschweig, Germany. http://acqpro.cmi.cz (2015).