11. Specification for electric power switchgear and associated apparatus. (1st March 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (91 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Specification for instrument transformers. Three-phase voltage transformers for voltage levels having U m up to 52 kV. (15th April 1994) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
13. Specification for voltage transformers. (15th February 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
14. Specification for voltage transformers. (29th August 1975) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗