TY - GEN AU - Ahmed Shaban Abdelhay Gabr AU - Mohamed Rabie , AU - Mohamed Talat Mostafa , TI - Serengthening of exterior and corner preloaded columns by concrete jackets / PY - 1999/// CY - Cairo : PB - Ahmed Shaban Abdelhay Gabr , N1 - Thesis (M.Sc.) - Cairo University - Faculty Of Engineering - Department Of Civil Engineering UR - http://172.23.153.220/th.pdf ER -