1. Earth Conduction Effects in Transmission Systems;Sunde,1948
2. Interference From Forced Drainage
3. Joint Committee for the Co-ordination of the Cathodic Protection of Buried Structures, London, Recommendations Nos. 1, 2, 3 and 4
4. The anodic characteristics of mild steel in dilute aqueous soil electrolytes
5. Code of Practice for Cathodic Protection, CP 1021, B.S.I., Aug. (1973)