“P-wave electron-Be^{3+}, C^{5+}, and O^{7+} elastic scattering and photoabsorption in two-electron systems”, Jour. Atomic Mole. Conden. Nano Phys, vol. 1, no. 2, pp. 71–86, Dec. 2014, doi: 10.26713/jamcnp.v1i2.255.