List of Articles میراگرهای ویسکوز Open Access Article Abstract Page Full-Text 1 - Seismic Behavior Upgrade of Steel Moment FramesUsing Viscous Dampers and Determination of Their Proper Damping Forces seyyed Mehdi Zahraei Omid Mohammadi Open Access Article Abstract Page Full-Text 2 - The Effect of Viscous Dampers in Seismic Retrofitting of Steel Buildings Mehdi Vakilzadeh Kambiz Mazaheri Mohaddeseh Bakhtiyari Azad