List of Articles Fundamental period Open Access Article Abstract Page Full-Text 1 - A Mathematical Formulation to Estimate the Fundamental Period of High-Rise Buildings Including Flexural-Shear Behavior and Structural Interaction E Noroozinejad Farsangi H Melatdoust A Bin Adnan Open Access Article Abstract Page Full-Text 2 - Presentation of Empirical Relation for the Fundamental Period of Irregular Steel Frames with EBF Steel Braces F. Omidinasab S. Baharipour