TY - JOUR AU - Drullinger, Robert AU - Glaze, D AU - Lowe, John AU - Shirley, Jon C2 - IEEE Transactions on Instrumentation and Measurement DA - 1991-01-01 LA - en M1 - 40 PB - IEEE Transactions on Instrumentation and Measurement PY - 1991 TI - The NIST Optically Pumped Cesium Frequency Standard ER -