1. D.F. Adams, personal communication, 1999.
2. N.J. Chou and P-C. Pagano, in: ‘Elasticity: Tensor, Dyadic, and Engineering Approaches’, D. van Nostrand Company, Inc., Princeton, NJ, 1967, Sect. Y. Y.
3. Mechanics of Composite Materials;Christensen,1979
4. Solutions for effective shear properties in three phase sphere and cylinder models