1. Transmission tower developments in the UK;Lomas;Engineering Structures,1993
2. British Standards. EN ISO 14001: environmental management system—specification with guidance for use. London, 1996.
3. A manager's introduction to product design and the environment;Hodgson,1997
4. SETAC-Europe. Life-cycle assessment. Brussels: SETAC-Europe; 1992.
5. Guidelines for life-cycle assessment: a ‘code of practice’;Consoli,1993