TY - JOUR AU - Yi-hua Tang AU - Richard Steiner AU - June Sims C2 - IEEE Transactions on Instrumentation and Measurement DA - 1999-04-01 LA - en M1 - 48 PB - IEEE Transactions on Instrumentation and Measurement PY - 1999 TI - Comparison of Two Josephson Array Voltage Standard Systems Using a Set of Zener References ER -