1. Theory of asymmetric elasticity;Nowacki,1986
2. Theoretische studien über die elasticitätsverhältnisse der krystalle;Voigt,1887
3. Théorie des corps déformables;Cosserat,1909
4. Effects of couple-stresses in linear elasticity;Mindlin,1962
5. Boundary element method for couple stress theory of elasticity;Yamashita,1992