Li , JianHuo , Yining and Ma , Fengcai. (2017). The Study on Ionization of Hydrogen Atoms in a Laser Field Considering Non-Dipole Approximation and Coulomb Corrections.
            <i>Journal of Atomic and Molecular Sciences</i>. <i>8</i> (3).
            110-112.
         doi:10.4208/jams.101317.121817a