8Lai S S,Will G T,Otani S. Model for Inelastic Biaxial Bending of Concrete Members. J. Structural Engineering, ASCE, 1984, 110 ( 11 ) : 2 563- 2584.
9Li K N.Nonlinear. In: Earthquake Response of Space Frame with Triaxial Interaction. In : Earthquake Resistance of Reinforced Concrete Structures-A Volume. Tokyo: University of Tokyo Press, 1993,9.441 - 452.
10Ambrisi A D, Filippou F C. Modeling of Cyclic Shear Behavior in RC Members J. Structural Engineering, ASCE, 1999, 125(10) : 1 143 - 1150.