1. Symp. Europ. Inhibiteurs de Corrosion, Ferrara 1960: C.r. Univ. Ferrara, Sez. V, Suppl. n.3, 1961; Proc. Europ. Symp. on Corrosion Inhibitors, Ferrara: ibid.; b) 1966; c) 1971; d) 1976; e) 1980; f) 1985; g) 1990
2. Rosenfeld, I.L.: Corrosion Inhibitors. McGraw-Hill, New York 1981
3. Shastri, V.S.: Corrosion Inhibitors. Principles and Applications. John Wiley & Sons, Chichester etc., 1998
4. Fischer, H.: loc. cit. [Ic], p. 3
5. Fischer, H., Seiler, W.: loc. cit. [lb], p. 19