MAFTEI, Dan, et al. “DENSITY FUNCTIONAL STUDY OF BOND DISSOCIATION ENERGIES IN HIGHLY BROMINATED DIPHENYL ETHERS”. Studia Universitatis Babeș-Bolyai Chemia, vol. 61, no. 4, Dec. 2016, pp. 137-46, https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8385.