1. 6) S. J. Hotchner and C. J. Poole : Proc. 5 th Inter. Congrs. Canned Food (1967) p. 17
2. 7) A. R. Willey, J. L. Krickl and R. R. Hartwell : Corrosion N ACE, 12,433t (1956)
3. 8) G. G. Kamm, A. R. Willey, R. E. Beese and J. L. Krickel : ibid, 17, 84t (1961)
4. 11) V. Leroy, J. P. Servais and L. Habranken : 1 st. Inter. Tinplate Conf. p. 399 (1976) London
5. 12) S. Maeda, T. Asai and T. Sawairi : 2 nd Inter. Tinplate Conf. p. 350 (1980) London