1. Memorandum on the standardization of the programming language PL/1. (28th September 1990) 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) ↗
2. Specification for representation of numerical values in character strings for information interchange. (30th April 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Information technology. Programming languages. PL/I general purpose subset. (15th April 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (476 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗