TY - CONF AU - V Shah AU - P Schwindt AU - Vladislav Gerginov AU - Svenja Knappe AU - Leo Hollberg AU - John Kitching C2 - IEEE International Frequency Control Symposim DA - 2005-06-01 LA - en PB - IEEE International Frequency Control Symposim PY - 2005 TI - Active Light-Shift Stabilization in Modulated CPT Clocks ER -