1. ‘SF6insulated metalclad 420 kV tubular bus with transfer facility, connected to an underground hydroelectric power station’, CIGRE report, 23-02, 1974
2. Hampton, B.F.: ‘A flexible, compressed-gas insulated cable’, Progress in overhead lines and cables for 220 kV and above, (IEE Conf. Publ. 44 1968), p. 61–64
3. ‘EHV cable termination using strip-metallized synthetic film’, CEGB Technical Disclosure Bulletin, 179, September, 1971