P. Derreumaux and G. Vergoten, "A new spectroscopic molecular mechanics force field. Parameters for proteins," J. Chem. Phys. 102, 8586 (1995); P. Lagant, D. Nolde, R. Stote, G. Vergoten, and M. Karplus, "Increasing normal mode analysis accuracy: SPASIBA spectroscopic force field introduced into the CHARMM program," J. Phys. Chem. A 108, 4019 (2004); SPASIBA force field の開発と CHARMM への導入。これは素晴らしい！
