Two-photon ionization on measurements on atomic caesium by means of an argon ion laser Back to all publications Publication date 1 January 1975 Reference E.H.A. Granneman and M.J. van der Wiel, Two-photon ionization on measurements on atomic caesium by means of an argon ion laser, J. Phys. B: At., Mol. Opt. Phys. 8, 1617-1626 (1975)