1. H. R. Copson:Physical Metallurgy of Stress Corrosion Fracture, p. 247, Interscience, New York, 1959.
2. Markus O. Speidel:Corrosion 1976, vol. 32, pp. 187–90.
3. Markus O. Speidel:Corrosion 1977, vol. 33, pp. 199–203.
4. Markus O. Speidel:Blech, Rohre, Profile 1978, vol. 25, pp. 14–18.
5. ASTM Standard E 399, Annual book of ASTM Standards, ASTM, Philadelphia, PA, 1980.