1. C. Kittel, Introduction to Solid State Physics, (1976).
2. Tables of Physical Quantities (Handbook) [in Russian], Atomizdat, Moscow (1976).
3. V. F. Babich and Yu. S. Lipatov, ?Dynamic method for determining the mechanical properties of a surface polymer layer,? Mekh. Polim., No. 3 (1969).
4. Yu. P. Stepanenko, ?Dynamometric trapping system for testing specimens for uniaxial tension,? in: Plastics in Machine Construction and in Railroad Transport [in Russian], Transport, Moscow (1967).
5. Yu. P. Stepanenko, ?Differential method for measuring tension in polymers,? Mekh. Polim., No. 3 (1974).