Hamoudi, Adel K., et al. “Theoretical Study of Matter Density Distribution and Elastic Electron Scattering Form Factors for the Neutron-Rich 22C Exotic Nucleus”. Iraqi Journal of Physics, vol. 10, no. 19, Dec. 2012, pp. 25-34, https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/724.