В помощь активу НТО Пособие пля научно-технических обществ
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
М
Профиздат
1972
|
| Subjects: |
| Physical Description: | 190с |
|---|
| Format: | Book |
|---|---|
| Language: | Russian |
| Published: |
М
Профиздат
1972
|
| Subjects: |
| Physical Description: | 190с |
|---|