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Universal Decimal Classification English Abridged edition 1961 (Photocopy)
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Cyhoeddwyd: |
London
British standards Institution
1961
|
| Rhifyn: | 3 |
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Cyhoeddwyd: |
London
British standards Institution
1961
|
| Rhifyn: | 3 |