Huang, B., Zhen Li, C., & Ping Zhu, G. (2014). Density Functional Theory and Time-Dependent Density-Functional Study of Positively Charged Alkali Metal Doped Stone Whale Defective Graphene Complexes. Asian Journal of Chemistry, 27(1), 129–133. https://doi.org/10.14233/ajchem.2015.16811