Raschke, M. B.M. B.RaschkeHayashi, M.M.HayashiLin, S. H.S. H.LinShen, Y. R.Y. R.Shen2020-04-012020-04-012002https://scholars.lib.ntu.edu.tw/handle/123456789/482745Doubly-resonant sum-frequency generation spectroscopy for surface studiesjournal article10.1016/S0009-2614(02)00560-2