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- [8] PROTECTION AGAINST OVERVOLTAGES ON PIPELINES WITH CATHODIC PROTECTION ELEKTROTECHNISCHE ZEITSCHRIFT B-AUSGABE, 1967, 19 (21): : 617 - &
- [9] CATHODIC PROTECTION FOR COATED STEEL PIPELINES JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1971, 63 (02): : 85 - &