1. G.R. Belton, T.J. Moore, and E.S. Tankins:Weld. J., 1963, vol. 47 (7), pp. 289s-297s.
2. N. Christensen: Contract DA-91-591 EVC 3455, U.S. Dept. of Army, European Research Office, Trondheim, Norway, Nov. 1965.
3. J.H. Palm:Weld. J., 1972, vol. 51 (7), pp. 358s-360s.
4. M.L.E. Davis and N. Bailey:Weld Pool Chemistry and Metallurgy, The Welding Institute, London, Apr. 1980, pp. 289–310.
5. N.N. Potapov, Ju.S. Volobuev, and E.G. Starchenko:Svar. Proizvod., 1980, no. 7, pp. 1–4.