1. Amin, S. (1997) ‘Economic, political and social distortions in the modern world’, in P. Smith and A. Tenner (eds), Dimensions of Sustainability, pp. 19–25. Baden-Baden: Nomos.
2. Bilgen, E. (2000) ‘Exergetic and engineering analyses of gas turbine based cogeneration systems’, Energy, 25, 1215–29.
3. Chapman, P.F. (1976) ‘Methods of energy analysis’, in I.M. Blair, B.D. Jones and A.J. Van Horn (eds), Aspects of Energy Conversion, pp. 739–58. Oxford: Pergamon.
4. Corning, P.A. and Kline, S.J. (1998) ‘Thermodynamics, information and life revisited, part I: to be or entropy’, Systems Research and Behavioural Science, 15, 273–95.
5. Department of Trade and Industry (DTI) (2003) Our Energy Future — Creating a Low Carbon Economy. London: Stationery Office.