IASS 2008 Session: Dynamics of Shells -- "A seismic analysis of a modular shell system" by Youssef BELMOUDEN, Pierino LESTUZZI, Souad SELLAMI (Ecole Polytechnique Federale de Lausanne) -- "Earthquake analysis of cylindrical roof shells" by Shadi OSTAVARI DAILAMANI, James G. A. CROLL (University College London) -- "Interpretation of seismic response of cylindrical roof shells" by Shadi OSTAVARI DAILAMANI, James G. A. CROLL (University College London) -- "Dynamic cylindrical shell equations by power series expansions" by Anders M. HAGGLUND, Peter D. FOLKOW (Chalmers University of Technology) -- Dynamic equations for a homogenous, fully anisotropic, elastic plate Karl MAURITSSON, Anders BOSTROM, Peter D. FOLKOW (Chalmers University of Technology)