Zhao , HaijunLiu , Xiaoqin and Liu , Weilong. (2016). Quantum and Closed-Orbit Theory Calculations for the Photodetachment cross Sections of $H^-$ near Two Perpendicular Elastic Planes.
            <i>Journal of Atomic and Molecular Sciences</i>. <i>7</i> (1).
            25-32.
         doi:10.4208/jams.102215.112615a