Photocopying from bound volumes a study of machines, methods and materials
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Chicago
Library Technology Project, American Library Association
[c1962]
|
| Cyfres: | LTP publications
no. 4 |
| Pynciau: |