1. L. Smith, Intetech Ltd (Consultant to NiDI), M. Celant, Pipe Team, Belgian Welding Institute, Paper 017, Belgium – Brussels, October 3-4 2002.
2. NORSOK M-506 CO2 Corrosion Rate Calculation Model on Public Enquiry Standard.No., https://www.standard.no/en/nyheter/nyhetsarkiv/petroleum/2016/norsok-m-506–co2-corrosion-rate-calculation-model-on-public-enquiry/#.V7R_RjUZNMM.
3. Intetech, Electronic Corrosion Engineer® version 5.3 (ECE5) Corrosion Program, Recent Results Enhance ECE5 Corrosion Model. http://www.intetech.com/resources/features/89-recent-results-enhance-ece-5-corrosion-model.
4. ANSI/NACE MR0175/ISO 15156. Petroleum and natural gas industries—materials for use in H2S-containing environments in oil and gas production.
5. Vallourec, Mannesmann - Tubing Selection Guide, Vallourec and Mannesmann - CRA OCTG selection Guide, Vallourec and Mannesmann CRA OCTG Selection Guide,2010