1. Braben DW (2004) Pioneering Research. A Risk worth taking. Wiley, Hoboken, New Jersey, USA
2. Popelier PLA, Aicken FM, O'Brien SE (2000) Chemical Modelling: Applications and Theory. In: Hinchliffe A (ed) Royal Society of Chemistry Specialist Periodical Report, vol 1, Ch 3, pp 143–198
3. Popelier PLA, Smith PJ (2002) Chemical Modelling: Applications and Theory. In: Hinchliffe A (ed) Royal Society of Chemistry Specialist Periodical Report, vol 2, Ch 8, pp 391–448
4. Stone AJ (1996) The Theory of Intermolecular Forces. Clarendon, Oxford
5. Stone AJ (1978) Mol Phys 36:241