TY - JOUR AU - Xia, H AU - Cirac, J AU - Swartz, S AU - Kohler, B AU - Elliott, D AU - Hall, John AU - Zoller, P C2 - Journal of the Optical Society of America B-Optical Physics DA - 1994-01-01 00:01:00 LA - en M1 - 11 PB - Journal of the Optical Society of America B-Optical Physics PY - 1994 TI - Phase shifts and intensity dependence in frequencymodulation spectroscopy ER -