1. Abate, R., Artigas, R., 2002. Driving Technology to the Installed Base, GE Power Systems.
2. Alstom, 2001. Annual Report—Financial Information Fiscal Year 2001.
3. Alstom, 2002. Annual Report—Financial Information Fiscal Year 2002.
4. Production control in engineer-to-order firms;Bertrand;International Journal of Production Economics,1993
5. Lessons from California's power crisis;Besant-Jones;Finance and Development,2001