GUPTA, D. K.; SINGH, S.; SHARMA, L. N.; AGRAWAL, V. P. Group Theoretical Treatment of Substituted Saturated Fullerenes (C20H20-nXn). Journal of Nepal Chemical Society, [S. l.], v. 23, p. 43–44, 2009. DOI: 10.3126/jncs.v23i0.2095. Disponível em: https://www.nepjol.info/index.php/JNCS/article/view/2095. Acesso em: 20 jul. 2026.