TY - JOUR AU - Knappe, Svenja AU - Shah, Vishal AU - Brannon, A AU - Gerginov, Vladislav AU - Robinson, Hugh AU - Popovic, Z AU - Hollberg, L AU - Kitching, John C2 - Time and Frequency Metrology SPIE DA - 2007-01-01 LA - en PB - Time and Frequency Metrology SPIE PY - 2007 TI - Advances in Chip-Scale Atomic Frequency References at NIST, ed. by R. Jason Jones ER -