TY - JOUR AU - Knappe, Svenja AU - Wynands, R. AU - Kitching, John AU - Robinson, Hugh AU - Hollberg, Leo C2 - Journal of the Optical Society of America B-Optical Physics DA - 2002-01-01 LA - en M1 - 18 PB - Journal of the Optical Society of America B-Optical Physics PY - 2002 TI - Characterization of coherent population-trapping resonances as atomic frequency references ER -