1. DEFORMATION PROPERTIES OF NIOBIUM SINGLE CRYSTALS
2. II. Internat. Conf. Strength of Metals and Alloys, A.S.M., Vol. I, 1970 (p. 29).
3. III. Internat. Symposium Reinststoffe in Wissenschaft und Technik, Dresden 1970.
4. in: Reinststoffprobleme, Vol. IV, Ed. Akademie-Verlag, Berlin 1972 (p. 221).
5. and , in: Dislocation Dynamics, Ed. McGraw-Hill publ. Co., New York 1968 (p. 57).