Roger ELLMAN. Study on Polytopes and Nuclear Structure. Newest Updates in Physical Science Research Vol. 15, [S. l.], p. 29–45, 2021. DOI: 10.9734/bpi/nupsr/v15/3601F. Disponível em: https://stm.bookpi.org/NUPSR-V15/article/view/3475. Acesso em: 4 jun. 2026.