Electric power at work/
| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Cambridge:
Basic English Publishing Co.
|
| Series: | Our Changing Times
2 |
| Subjects: |
| Physical Description: | 66 p. : ill. ; 18 cm. |
|---|---|
| Bibliography: | Published for the Orthological Institute. |