TY - JOUR AU - Svenja Knappe AU - Vishal Shah AU - A Brannon AU - Vladislav Gerginov AU - Hugh Robinson AU - Z Popovic AU - L Hollberg AU - John Kitching 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 -