J. J. P. Stewart, “Optimization of parameters for semiempirical methods VI: more modifications to the NDDO approximations and re-optimization of parameters,” J. Molec. Modeling 19 (2013) 1-32. DOI: 10.1007/s00894-012-1667-x
J. J. P. Stewart, “Optimization of parameters for semiempirical methods VI: more modifications to the NDDO approximations and re-optimization of parameters,” J. Molec. Modeling 19 (2013) 1-32. DOI: 10.1007/s00894-012-1667-x
