J. J. P. Stewart, “Optimization of parameters for semiempirical methods. I. Method,” J. Comp. Chem., 10 (1989) 209-20. DOI: 10.1002/jcc.540100208
J. J. P. Stewart, “Optimization of parameters for semiempirical methods. I. Method,” J. Comp. Chem., 10 (1989) 209-20. DOI: 10.1002/jcc.540100208