G.S. Anagnostatos. “Searching for Possible Stability in 1s, 1p, and 1d2s Neutron Shells”. Global Journal of Science Frontier Research 14, no. B5 (March 15, 2014): 1–6. Accessed May 5, 2024. https://journalofscience.org/index.php/GJSFR/article/view/1323.