TY - JOUR AU - haghayegh, Mohamad AU - Asgari, gafar AU - rohani manesh, mohammad sadeg TI - Seismic behavior of knee brace compared with X and Chevron bracing in steel frame JO - Analysis of Structure and Earthquake VL - 12 IS - 3 SP - 59 EP - 67 PY - 2015 DO - ER -