Proceedings of the 5th International Peat Congress : Poznań, Poland, September 21-25, 1976. 1. Peat and peatlands in the natural environment protection
International Peat Congress (5 : 1976 Poznań)
Bok Språk ikke angitt 1976
| Utgitt | Warszawa , [1976]
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|---|---|
| Omfang | 482 s.
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| Emner |
