1. E. Hornbogen and H. Kreye in “Textures in Research and Practice” ed. by J. Grewen and G. Wassermann, p.274, Springer Verlag Berlin 1969
2. U. Köster in “Recrystallization of Metallic Materials”, ed. by F. Haeßner, p.215, Dr.Riederer Verlag Stuttgart 1971
3. U. Köster, J. Met. Sci. 8 (1974) 151
4. P. Cotterill and P. R. Mould, “Recrystallization and Grain Growth in Metals”, Surrey University Press London 1976
5. D. T. Gawne and G. T. Higgins, ibid 1, 319