Zhen Yao. 2016. “Helical Iodine Chains Inside Single-Walled Boron Nitride Nanotubes: Finding the Optimal Helical Radius and Helical Angles”. Global Journal of Science Frontier Research 16 (A4):13-22. https://journalofscience.org/index.php/GJSFR/article/view/1874.