| Publisher | Her Majesty's Stationery Office |
| Copyright Holder | Crown Copyright |
| Printed by | HMSO Press |
| Author | Beric M. Morley |
| Format | Paperback |
| Language | English |
| Location | London |
| Copyright | 1979 |
| Pages / Font | 30 pages |
| ISBN | 0 11 670823 9 |
| Price | 50p |
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