GUTMAN, I. Partitioning of π-electrons in rings of aza–derivatives of triphenylene. Macedonian Journal of Chemistry and Chemical Engineering, [S. l.], v. 26, n. 1, p. 25–29, 2007. DOI: 10.20450/mjcce.2007.255. Disponível em: https://mjcce.org.mk/index.php/MJCCE/article/view/255. Acesso em: 28 apr. 2024.