Pl. find attached the papers by Carucci and Mueller and the one by Francis.
My recommendation will be : to properly comprehend both the papers , one should read Fundamentals of Noise and Vibration analysis for Engineers by Norton and Karczub.
Regards
Attachments
421-AcousticFatigue.pdf (1757 downloads)422-CARUCCI.pdf (1801 downloads)
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anindya