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2. “Dynamic Analysis of Machine Tools using Complex Modal Method”;Peters;Annals of the CIRP,1976
3. Brown, D. L. “Grinding Dynamics”, ph. D dissertation Univ. of Cincinnati, 1976.
4. “Comparison of Modal Analysis and Holography”;Müller;Annals of the CIRP,1980
5. “Visual Representation of the Dynamic Behaviour of Machine Tool Structures”;Weck;Annals of the CIRP,1976