International rules for the cataloguing of educational scientific and cultural films and filmstrips on 3" x 5" (7.5 cm. x 12.5 cm.) cards.
| 企业作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Paris
[Clearing House, Dept of Mass Communications, UNESCO]
1956
|
| 版: | Prelim. ed. |
| 丛编: | Reports and papers on mass communication
no. 17 |
| 主题: |