| Publisher | Her Majesty's Stationery Office |
| Copyright Holder | Crown Copyright |
| Printed by | HMSO Press |
| Format | Paperback |
| Language | English |
| Location | London |
| Copyright | 1971 |
| This Impression | 1976 |
| Pages / Font | 31 pages |
| ISBN | 0 11 670412 8 |
| Price | 40p |
| Notes | Third impression. |
Added by steppenwolf_a_558