T. Vreven, K. Morokuma, Ö. Farkas, H. B. Schlegel, and M. J. Frisch, “Geometry optimization with QM/MM, ONIOM and other combined methods. I. Microiterations and constraints,” J. Comp. Chem., 24 (2003) 760-69. DOI: 10.1002/jcc.10156
T. Vreven, K. Morokuma, Ö. Farkas, H. B. Schlegel, and M. J. Frisch, “Geometry optimization with QM/MM, ONIOM and other combined methods. I. Microiterations and constraints,” J. Comp. Chem., 24 (2003) 760-69. DOI: 10.1002/jcc.10156
