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1¡¢Berger JR, Dally JW, Sanford RJ. Determining the dynamic stress intensity factor with strain gages using a crack tip locating algorithm.
Engng Fract Mech 1990;36(1):145¨C56.
2¡¢Dally JW, Sanford RJ. Strain gage methods for measuring the opening mode stress intensity factor, KI. Exp Mech 1987;27(4):381¨C8.

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