Shiyan Sun, Xiangyang Miao & Xiangfu Jia. (2019). Coulomb Three-Body Effects in the Single Ionization of Helium by 16MeV $O^{7+}$ Impact.
            <i>Journal of Atomic and Molecular Sciences</i>. <i>7</i> (1).
            11-16.
         doi:10.4208/jams.112015.122515a