1. Tenaris, “Heavy Wall UOE SAWL Pipes for Ultra Deep Water and Sour Service Application”,9th PTC 2014
2. Harry Cotton, Istvan Bartha & David Lee of Wood Group Kenny, “Assuring the Integrity of Subsea Pipeline Butt Welds through Design, Construction and Operational Life”, PTC 2016
3. Recent developments in high productivity pipeline welding
4. Eclipse Scientific, “Automated Ultrasonic Testing of Pipeline Girth Welds 2nd Edition”,
5. DNVGL, “Submarine Pipeline System – DNVGL-ST-F101, edition October 2017.