1. Neue Verfahren der IR-freien Potentialmessung beim kathodischen Korrosionsschutz erdverlegter Rohrleitungen
2. European Committe for Electrotechnical Standardisation: ‘Protection against corrosion by stray current from direct current systems’, EN 50162:2004, Brussels, Belgium.
3. Gummow RA, Boteler DH, Trichtchenko L: ‘Telluric and ocean current effects on buried pipelines and their cathodic protection systems’, PR-262-0030, PRCI, Canada, 2002.
4. Lazzari L, Pedeferri P: ‘Cathodic protection’; 2006, Milano, Polipress.
5. Deutsche Institut für Normung: ‘Verification of the effectiveness of the cathodic protection of buried structures’, DIN 50925:1992, Beuth Verlag, Berlin, Germany, 1992.