@conference{832951, author = {L Ma and Jun Ye and P Dub and John Hall}, title = {A New Modulation Method for Sensitive Nonlinear Spectroscopy - Application to Molecular Overtones as Visible Frequency References}, year = {1996}, number = {12}, month = {1996-06-01 00:06:00}, publisher = {Laser Spectroscopy, International Conference | 12th | | World Scientific Publishing Company, Capri, 1, IT}, language = {en}, }