TY - JOUR AU - Ghadiri, M AU - Jafari, A TI - A Nonlocal First Order Shear Deformation Theory for Vibration Analysis of Size Dependent Functionally Graded Nano beam with Attached Tip Mass: an Exact Solution JO - Journal of Solid Mechanics VL - 10 IS - 1 SP - 23 EP - 37 PY - 2018 DO - ER -