1. Gurtin, M. E., The Linear Theory of elasticity. Handbuch der Physik, Vol. VIa/2. Berlin, Springer 1972.
2. DelPiero, G., Some properties of the set of fourth-order tensors, with application to Elasticity. J. of Elasticity 9 (1979) 245–261.
3. Knops, R. J., & E. W.Wilkes, Theory of Elastic Stability. Handbuch der Physik, Vol. VIa/3. Berlin, Springer 1973.
4. Truesdell, C. & W.Noll, The non-linear field theories of Mechanics. Handbuch der Physik, Vol. III/3. Berlin, Springer 1965.
5. Beatty, M. F., Estimation of ultimate safe loads in Elastic Stability Theory. J. of Elasticity. 1 (1971) 95–120.