1. Eringen A.C., Suhubi E.S.: Non-linear theory of simple microelastic solids I. Int. J. Eng. Sci. 2, 189–203 (1964)
2. Suhubi E.S., Eringen A.C.: Non-linear theory of simple microelastic solids II. Int. J. Eng. Sci. 2, 389–404 (1964)
3. Eringen A.C.: Linear theory of micropolar elasticity. J. Math. Mech. 15, 909–923 (1966)
4. Nowacki W.: Couple stresses in the theory of thermoelasticity, I. Bull. Acad. Polon. Sci. Ser. Sci. Technol. 2, 129–138 (1966)
5. Nowacki W.: Couple stresses in the theory of thermoelasticity, II. Bull. Acad. Polon. Sci. Ser. Sci. Technol. 14, 263–272 (1966)