1. General references to molecular mechanics: (a) Perhaps the most authoritative, yet delightfully casual and a good read: Allinger N (2010) Molecular structure, understanding steric and electronic effects from molecular mechanics, Wiley, Hoboken
2. (b) Leach AR (1996) Molecular modelling, principles and applications. Addison Wesley Longman, Essex, chapter 3
3. (c) Rappe AK, Casewit CL (1997) Molecular mechanics across chemistry. University Science Books, Sausalito
4. (d) Allinger NL (1976) Calculation of molecular structures and energy by force methods. Adv Phys Organ Chem 13, Gold V, Bethell D, eds, Academic Press, New York
5. (e) Clark T (1985) A handbook of computational chemistry. Wiley, New York