1. Federal Aviation Administration—FAA, Advisory circular AC No. 120-104: Establishing and implementing limit of validity to prevent widespread fatigue damage (2011)
2. Airworthiness Assurance Working Group—AAWG, Structural fatigue evaluation for aging airplanes (October 1993)
3. Group for Aeronautical Research and Technology in Europe—GARTEUR, Assessment of multiple site damage in highly loaded joints (1997)
4. R.G. Eastin, ‘WFD’-what is it and what’s LOV got to do with it? Int. J. Fatigue 31, 1012–1016 (2009)
5. Federal Register, 14 CFR Parts 25, 26, 121, and 129 [Docket No. FAA200624281; Amendment Nos. 25132, 265, 121351, 12948], Aging airplane program: widespread fatigue damage, Final Rule, vol. 75, no. 219, 15 November 2010, pp. 69746–69789