.European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.1.Univ. degli studi di Ferrara,1975.
European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.1
.European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.2.Univ. degli studi di Ferrara,1975.
European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.2
.European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.3.Univ. degli studi di Ferrara,1975.
European Symposium on Corrosion Inhibitors ( 4th : 1975 : Ferrara )：Manifestation of the European Federation of Corrosion ( 82th : 1975 : Ferrara, Italy )．v.3
