1. Specification for sizes of reprographic papers. (29th June 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (6 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Specification for sizes of rolls of photographic black-and-white and colour paper for roll-head printers. (29th June 1972) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗