1. DYNAMIC BEHAVIOR OF A CLAMPED CIRCULAR PLATE AND STRAIN ENERGY REPRESENTATION (PART II). Authors: IONELA HAREA, ZENO-IOSIF PRAISACH, GILBERT-RAINER GILLICH, CRISTIAN TUFIȘI.2. DYNAMIC BEHAVIOR OF A SIMPLY SUPPORTED CIRCULAR PLATE. Authors: ZENO-IOSIF PRAISACH, IONELA HAREA.