1. E. WU, Fract, Mech. of Anisotrotropic Plates, Composite Materials, Vol. 1, pp.20–43, 1968
2. J.F. MANDELE, S.S. WANG, J. of Composite Materials, pp. 266–287, 1975
3. J.C. HALPIN, L. NICOLAIS, G. CAPRINO, Composites, pp. 223–227, 1979
4. A.W. HOLDSWORTH, M.J. OWEN, S. MORRIS, Journal of Composites Mat. pp. 117–119, 1977
5. C. BATHIAS, R. ESNAULT, J. PELLAS, Composites, pp.195–200, 1981