MBPT

Pulci, O. ., Degoli, E. ., Iori, F. ., Marsili, M. ., Palummo, M. ., Del Sole, R. ., & Ossicini, S. . (2010). Electronic and optical properties of Si and Ge nanocrystals: An ab initio study. Superlattices and Microstructures, 47, 178-181. https://doi.org/DOI: 10.1016/j.spmi.2009.07.004