1. Taylor, Trevor and Hayward, Keith. 1989.The UK Defence Industrial Base: Developments and Future Policy Options, 102–103. London: Brassey's.
2. Gummett, Philip and Walker, William. 1989. ‘Changes in European Defence Procurement and Industrial Capabilities’. (Paper presented at the ISA Conference. 1989, London. pp.6
3. Moravcsik, Andrew. 1990. “‘Endgame in Europe: The Political Economy of International Collaboration in European Strategic Industries’”. Department of Government, Harvard University. (Dissertation,
4. 1988.Libération, 23 November