فهرس المقالات R Nazemnezhad المقاله 1 - Surface Effects on Free Vibration Analysis of Nanobeams Using Nonlocal Elasticity: A Comparison Between Euler-Bernoulli and Timoshenko 20.1001.1.20083505.2013.5.3.7.8 Sh Hosseini – Hashemi M Fakher R Nazemnezhad Journal of Solid Mechanics , العدد 4 , السنة 5 , تابستان 2013