1. and , IV. Internat. Symp. Reinststoffe in Wissenschaft und Technik, Dresden, Oct. 1975, in the press.
2. Micromechanics of Flow in Solids, McGraw-Hill Publ. Co., 1969 (p. 176).
3. Dislocations and Mechanical Properties of Crystals, Ed. John Wiley & Sons, New York 1957 (p. 243).
4. The plasticity of pure single crystals
5. Stress Relaxation and the Plastic Deformation of Solids