Erfinder Erforscher Entdecker
| Main Author: | |
|---|---|
| Other Authors: | , , |
| Format: | Book |
| Language: | German |
| Published: |
Leipzig ; Jena ; Berlin :
Urania Verlag,
1981
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| Edition: | 4., überarbeitete Auflage (31.-42. Tausend) |
| Subjects: | |
| Contents/pieces: | 1 records |