5Cipouina A, LoPez -Inojosa A, Florez -LoPezJ. A simplied damage mechanics approach to nonlinear analysis of frames [ J ]. Computers&Struetures. 1995,54(6) : 1113 - 1126.
6Perdomo M. E. , Rami A. , Florez - LoPezJ. Simulation of damgae in RC frames with variable axial forces[ J]. Earthquake Engineering and Structure Dynamies. 1999:311 - 328.
7Florez - LopezJ. Frames analysis and continuum damage mechanics [ J ]. European Journal of Mechanics ~ 1998,17 (2) :269 - 283.