1. A. M. Skudra, F. Ya. Bulavs, and K. A. Rotsens, Creep and Statistical Fatigue of Reinforced Plastics [in Russian], Riga (1971).
2. V. S. Ivanova, I. M. Kop'ev, L. R. Botvina, and T. D. Shermergor, Strengthening Metals with Fibers [in Russian], Moscow (1973).
3. B. D. Annin and L. V. Baev, Review of Strength Criteria and Fracture Mechanisms of Composite Materials (a report on the first stage of the theme ?Introscopy?), Novosibirsk (1977).
4. I. G. Zhigun and V. A. Polyakov, Properties of Plastics Reinforced in Three Dimensions [in Russian], Riga (1978).
5. V. P. Bagmutov, G. I. Bryzgalin, and V. F. Isaev, ?Derivation of determining equations for fibrous composites in a plane stressed state,? in: Mechanics of a Deformable Solid [in Russian], No. 3, Kuibyshev (1977), pp. 118?124.