TY - JOUR AU - Robert Webber AU - Charles Burroughs AU - Masoud Radparvar C2 - IEEE Transactions on Applied Superconductivity DA - 2007-12-03 00:12:00 LA - en M1 - 17 PB - IEEE Transactions on Applied Superconductivity PY - 2007 TI - Performance of a Cryocooled Nb DC Programmable Voltage Standard at 4 K ER -