1. G. Scheibe and A. Schontag, Archiv für das Eisenhuttenwesen,12, 533 (1935).
2. S. L. Mandel'shtam, An Introduction to Spectral Analysis [in Russian], GITTL (1946).
3. L. N. Filimonov, Zav. Lab.,15, 919, 1178 (1949).
4. P. Holler, XI Colloquium Spectroscopicum Internationale Belgrade-Yugoslavia (1963), B-75.
5. Yu. M. Buravlev, The Effects of Structure on Spectral Analysis for Alloys [in Russian], Metallurgizdat (1963).