1. Rough Cracks in Reinforced Concrete
2. de Borst R. (1986). “Non‐linear analysis of frictional materials ” thesis presented to Delft University of Technology at Delft Netherlands in partial fulfillment of the requirements for the degree of Doctor of Philosophy (in German).
3. Non‐orthogonal cracks in a smeared finite element model
4. Dorr K. (1980). “Ein Beitrag zur Berechnung von Stahlbetonscheiben unter besonderer Berucksichtigung des Verbundverhaltens ” thesis presented to the Technical University of Darmstadt at Darmstadt Germany in partial fulfillment of the requirements for the degree of Doctor of Philosophy (in German).
5. Numerical Study on Crack Dilatancy Part I: Models and Stability Analysis