1. Lincoln, J.W.: Managing the aging aircraft problem. Report Number: RTO-MP-079(II) Ageing Mechanisms and Control, Research and Technology Organization, NATO, Neuilly-sur-Seine Cedex, France (2003)
2. Hill, O.J.: Aircraft modifications: Assessing the current state of Air Force aircraft modifications and the implications for future military capability. Pardee RAND Graduate School Dissertation Series, Report Number: RGSD-207, The RAND Corporation, Santa Monica (2006)
3. Kerr, C.I.V., Phaal, R., Probert, D.R.: Technology insertion in the defence industry: A primer. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 222(8), 1009–1023 (2008)
4. Strong, G.: Technology insertion - A worldwide perspective. Journal of Defence Science 9(3), 114–121 (2004)
5. Tiron, R.: Aging avionics spell doom for air force, study warns. National Defense, NDIA’s Business and Technology Magazine (August 2001), http://www.nationaldefensemagazine.org/issues/2001/Aug/Aging_Avionics.htm