1. Vibration of cracked structures: a state of the art review;Dimarogonas;Engineering Fracture Mechanics,1996
2. The effect of discontinuity on natural frequency of beams;Kirmsher;Proceedings of the American Society of Testing and Materials,1944
3. Vibration of slender bars with discontinuities in stiffnes;Thomson;Journal of Applied Mechanics,1943
4. Vibration Engineering;Dimarogonas,1976
5. The Stress Analysis of Cracks Handbook;Tada,1985