List of Articles Thick sphere Open Access Article Abstract Page Full-Text 1 - Effect of Exponentially-Varying Properties on Displacements and Stresses in Pressurized Functionally Graded Thick Spherical Shells with Using Iterative Technique M Zamani Nejad A Rastgoo A Hadi Open Access Article Abstract Page Full-Text 2 - Effect of Material Gradient on Stresses of Thick FGM Spherical Pressure Vessels with Exponentially-Varying Properties Mohammad Nejad Mahboobeh Gharibi