REFERENCES
- F. HEISTERKAMP and K. HULKA: Met. Technot, this issue, pp. 535–544
- D. A. LITVINENKO, I. I. FRANTOV, Yu. MORAZOV, and V. I. STALIANOV: 'We'debility of controlled rolled pipe steel', Internal Report, Bardin Institute, Moscow, 1982.
- B. BERSCH: personal communication, Hoesch Werke AG, Dortmund, 1981.