Gutman I. Partitioning of π-electrons in rings of aza–derivatives of triphenylene. Maced. J. Chem. Chem. Eng. [Internet]. 2007 Jun. 15 [cited 2024 Apr. 28];26(1):25-9. Available from: https://mjcce.org.mk/index.php/MJCCE/article/view/255