1. JA. Brooks and F. J. Lambert, Jr.: “The Effects of Phosphorous, Sulfur and Ferrite Content on Weld Cracking of Type 309 Stainless Steel,” Welding Research Supplement,Welding Journal, May 1978.
2. U.S. Nuclear Regulatory Commission, “Control of Ferrite Content in Stainless Steel Weld Metal,”Regulatory Guide 1.31, Rev. 3, 1978.
3. ASME Boiler and Pressure Vessel Code, Section III, ASME, New York, NY.
4. E. S. U. Laine: “A High Speed Determination of the Volume Fraction of Ferrite in Austenitic Stainless Steel by EDXRD,”Journal of Phvsics F: Metal Physics, (U.K.), 1978, vol. 8, no. 7.
5. T. P. S. Gill, R.D. Dayal and J.B. Gnanamoorthy: “Estimation of Delta Ferrite in Austenitic Stainless Steel Weldments by an Electrochemical Technique,” Welding Research Supplement,Welding Journal, December 1979.