1. American Institute of Steel Construction (AISC). Load and resistance factor design;AISC LRFD 1986,1986
2. American Institute of Steel Construction (AISC). Load and resistance factor design;AISC LRFD 1994,1994
3. Critical moments;Baláz,2002
4. Finite element procedures;Bathe,1996
5. BS 5950-1. Structural use of steelwork in buildings. Code of practice for design. Rolled and welded sections. British Standards Institution; 2000