1. British Broadcasting Corporation Television Licence Fee Trust Statement for the Year Ending 31 March 2019. ([2019-07-02]) Other Names: British Broadcasting Corporation. Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Testing aggregates. Method for determination of soundness Part 121, (31st October 1989) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗