1. R. E. Peterson, in ?Metal Fatigue?, edited by S. Sines and J. L. Waisman (McGraw Hill, New York 1959) pp. 293?306.
2. W. T. Koiter, Koninkl. Ned. Akad. Wetenschappen, ser. B LXVII, (1964) 17.
3. E. Cosserat and F. Cosserat, ?Theories des Corps Deformables? (Hermann et Fils, Paris, 1909).
4. A. C. Eringen, ?Proceedings of the 11th International Congress of Applied Mechanics?, Munich, 1964 (Springer, Berlin, 1966) pp. 131?138.
5. R. D. Mindlin, Int. J. Solids. Struct. 1, (1965) 265.