1. Fatigue crack closure: observation and technical significance;Schijve,1988
2. A history of fatigue;Schütz;Eng Fract Mech,1996
3. Historical background;Pook,2007
4. Failure;Callister,2010
5. ‘Metal fatigue' caused Comet crashes. In: BBC On This Day 1950–2005, http://news.bbc.co.uk/onthisday/; 19 October 1954.