References
- Vasil'ev , NA . 2005 . Ensuring safety in repair and welding operations on working pipelines , Dissertation Moscow : GUP IPTER .
- Ko , SH , Farson , DF , Choj , SK and Yoo , CD . 2000 . Mathematical modelling of the dynamic behaviour of GTA weld pools . Materials and Metallurgical Transactions , : 1465 – 73 .