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2. DID Power transmission & conveyor chain, catalog. Daido Kogyo co, Kumasaka-Cho, Kaga-City, Ishikawa Pref, 922-8686, Japan; 2007.
3. Stress concentration factors;Pilkey,2008
4. Betriebfestigkeit;Heibach,1989
5. Grubišić V, Jacoby G. Fracture analysis, validation and technologies to increase the strength of materials. Seminar, Firenze; March 1995.