Leitpflanzen der palaeozoischen Steinkohlenablagerungen in Mittel-Europa
| Image |  |
|---|---|
| Description | Prag: Calve, 1899. |
| Author/s |
author: Adolf Hofmann Franz Ryba |
| Publication date | 1899 |
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| Country of origin | |
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| Access work | |
| Copyright status |
public domain in United States. public domain in countries with 80 years pma or shorter. |
| Missing/wrong data? | Edit Wikidata item |