1. 1) D.M.Buck: J. Ind. Eng. Chem., 5(1913), 447.
2. 2) D.M.Buck: Proc. ASTM, Vol.19, ASTM, West Conshohocken, PA, (1919), 225.
3. 3) H.R.Copson: Proc. ASTM, Vol.52, ASTM, West Conshohocken, PA, (1952), 1005.
4. 4) C.P.Larrabee: Corrosion, 9(1953), 259. https://doi.org/10.5006/0010-9312-9.8.259
5. 5) V.V.Kendall and E.S.Taylerson: Proc. ASTM, Vol.29, ASTM, West Conshohocken, PA, (1929), 204.