1. ‘Steel requirements for current and future Canadian gas pipeline systems’;Shelton;Metals Technology,1983
2. Sage A M: ‘Physical metallurgy of high strength, low alloy line pipe steels’ Ibid 224-233.
3. ‘Using the four-wire electrode process for the production of longitudinally welded pipe’;van Berkelom,1979
4. Matthews G T et al: ‘Pipeline welding in the '80s’ Ibid.
5. Fairhurst W et al: ‘Weldability of low-carbon Mo-Nb and Mn-Mo-Nb X 70 pipeline steel’ Ibid.