Die Geistige Arbeit by A Speiser
| ISBN: | 9783764303433 |
| Publication date: | 1st January 1955 |
| Author: | A Speiser |
| Publisher: | Birkhauser an imprint of Birkhäuser Basel |
| Format: | Hardback |
| Pagination: | 207 pages |
| Series: | Wissenschaft Und Kultur |
| Genres: |
Educational: Sciences, general science |