TY - SER AU - Ma, L AU - Ye, Jun AU - Dube, P AU - Hall, John C2 - World Scientific , Singapore, DA - 1996-01-01 00:01:00 LA - en PB - World Scientific , Singapore, PY - 1996 TI - A new modulation method for sensitive nonlinear spectroscopy - Applications to molecular overtones as visible frequency references, ed. by M. Inguscio, M. Allegrini and A. Sasso ER -