Bergbau in Kanada
Year of publication: |
1954
|
---|---|
Authors: | Ziegra, Hans |
Published in: |
Geographische Rundschau. - Braunschweig : Westermann Bildungsmedien Verlag GmbH, ISSN 0016-7460, ZDB-ID 184395-3. - Vol. 6.1954, 4, p. 143-150
|
Subject: | Bergbau | Kanada |
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