1. International Standard: Petroleum and Natural Gas Industries—Materials for Use in H2S-Containing Environments in Oil and Gas Production—Part 3: Cracking-Resistant CRAs (Corrosion Resistant Alloys) and Other Alloys. ISO, Geneva (2009)
2. http://www.globalsupplyline.com.au/pdfs/catalogues/apv/Valve_Cast_Steel_Gate_Globe.pdf
3. http://www.americanfastener.com/technical/heat_treated_alloy.asp
4. Turtle, R.N., Kane, R.D. (eds.): H2S Corrosion in Oil and Gas Production—A Compilation of Classic Papers. An official NACE Publication. NACE, Houston (1981)
5. API 571, Damage Mechanisms Affecting Fixed Equipment in the Refining Industry (December 2003)