1. A. Dickason, Technology of Sheet Metalwork, Pitman, London, 1967
2. F. Koenigsberger and J. R. R. Adair, Welding Technology, Macmillan, London, 1966
3. D. Romans and Eric Norman Simons, Welding Processes and Technology, Pitman, London, 1968
4. B. E. Rossi, Welding Engineering, McGraw-Hill, Maidenhead, 1954
5. B.O.C. Ltd, Acetylene, its Properties, Production and Uses, Waltham Cross, 1969