Ibrahim, M., ElHaes, H., Hameed, A. J., & Essa, A. H. (2008). Spectroscopic analysis of C80 doping with group III and group V elements using semiempirical PM3 molecular modelling technique. Eclética Química, 33(1), 21–27. https://doi.org/10.26850/1678-4618eqj.v33.1.2008.p21-27