Ghaleb, Adib, et al. “Theoretical Study of 1,3-Dipolar Cycloadditions Regioselectivity of Benzyl Azide With Glycosyl-O Acetylene Using Density Functional Theory (DFT)”. Orbital: The Electronic Journal of Chemistry, vol. 9, no. 5, Dec. 2017, pp. 337-43, https://periodicos.ufms.br/index.php/orbital/article/view/16411.