TY  - BOOK
AU  - Mostafa Swelem
TI  - Design of symmetrical rigid frame corners
U1  - 624.177.2 S974d 
PY  - 1971///
CY  - [Beirut]
PB  -  Beirut Arab University, 
KW  -  Structural frames
KW  - Structural stability.
KW  -  Elastic analysis (Engineering)
ER  -