1. Theorie des Corps Deformables;Cosserat,1909
2. Influence of Couple-Stresses on stress Consentrations;Mindlin;Exp. Mech.,1963
3. Continuum Models for Layered and Block Rock;Muhlhaus;Comprehensive Rock engineering,1992
4. Versuch einer Elastizitatstheorie des zweidimensionalen ebenen Vosserat-Kontinuums;Schaefer,1962
5. Stress and Couple Stress in a Layered Half Plane with Surface Loading;Muhlhaus;Inter. Journal for Numerical and Analytical methods in Geomechanics,1989