1. Rheological stability with couple stresses and its application to geological folding;Biot,1966
2. Theories of elasticity with couple-stress;Toupin;Arch. Ratl. Mech. An.,1966
3. Second gradient of strain and surface tension in linear elasticity;Mindlin;Intern. J. Solids Struct.,1966
4. Continuum Mechanics;Jaunzemis,1967
5. Second gradient of strain and surface tension in linear elasticity;Mindlin;Intern. J. Solids Struct.,1966