Zheng05

G. Zheng, S. Irle, and K. Morokuma, “Performance of the DFTB method in comparison to DFT and semiempirical methods for geometries and energies of C₂₀-C₈₆ fullerene isomers,” Chem. Phys. Lett., 412 (2005) 210-16. DOI: 10.1016/j.cplett.2005.06.105