فهرس المقالات N Omidi المقاله 1 - Dynamic Stability of Functionally Graded Beams with Piezoelectric Layers Located on a Continuous Elastic Foundation 20.1001.1.20083505.2009.1.2.6.7 N Omidi M Karami Khorramabadi A Niknejad Journal of Solid Mechanics , العدد 2 , السنة 1 , بهار 2009