1. M.C. Balmforth and J.C. Lippold: Weld. J., 1998, vol. 77, pp. 1s-7s.
2. R.B. Corbit and S.M. French: Weld. J., 1997, vol. 76, pp. 51–55.
3. D. Armstrong: Weld. World, 1993, vol. 31, pp. 426–27.
4. C.E. Chang: Trans. Geothermal Res., 1989, vol. 13, pp. 569–74.
5. M.K. Lee: J. Nucl. Mater., 1998, vol. 254, pp. 42–48.