1. Abdel-Salam, M.: ‘High voltage engineering: theory and practice’, Khalifa, High voltage cables, (Marcel Dekker, New York 1990)
2. Weedy, B.M.: Underground transmission of electric power, (J. Wiley & Sons, New York 1980)
3. King, S.Y., and Halfter, N.A.: Underground power cables, (Longman Group Ltd. 1982)
4. ‘Solid type impregnated paper insulated lead covered cable specifications’, AEIC standard 1-68, 1968 10th edn
5. Barnes, C.C.: Power cables, their design and installation, (Chapman & Hall Ltd. 1966)