%0 Journal Article %A Karami Khorramabadi, M %T Free Vibration of Functionally Graded Beams with Piezoelectric Layers Subjected to Axial Load %J Journal of Solid Mechanics %V 1 %N 1 %P 22-28 %D 2009 %R %U https://sanad.iau.ir/fa/Article/908924