1. Lattice Discrete Particle Model (LDPM) for failure behavior of concrete. I: Theory
2. Lattice Discrete Particle Model (LDPM) for failure behavior of concrete. II: Calibration and validation
3. T. Belytschko and T. Hughes, Computational methods for transient analysis, Computational methods in mechanics, Vol. 1 (North-Holland, Amsterdam, New York, Oxford, 1983).
4. Explicit multi-time step integration for first and second order finite element semidiscretizations
5. T. J. R. Hughes, The Finite Element Method. Linear Static and Dynamic Finite Element Analysis (Prentice- Hall, Inc., Englewood Cliffs, New Jersey 07632, 1987).