Jaani Nissilä, Antti Kemppinen, Kari Ojasalo, Juha Hassel, Antti Manninen, Panu Helistö, Heikki Seppä. Realization of a square-wave voltage with externally-shunted SIS Josephson junction arrays for a quantum AC voltage standard. IEEE T. Instrumentation and Measurement, 54(2):636-640, 2005. [doi]
Abstract is missing.