Mathematical theory of scattering resonances حسب Dyatlov, Semyon 1987-, Zworski, Maciej

Available for University of the Philippines Diliman via EBSCO. Click here to access
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Analysis and damping control of power system low-frequency oscillations حسب Wang, Haifeng, Du, Wenjuan

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A review of oscillating screen-blower cleaners for gains حسب Pasikatan, Melchor C.

Frequency measurement and control