PII: S0953-9859(93)71167-5
| Autor: | Darvill, Fred |
|---|---|
| Zdroj: | In Journal of Wilderness Medicine February 1993 4(1):113-114 |
| Databáze: | ScienceDirect |
| Externí odkaz: |
|
| Autor: | Darvill, Fred |
|---|---|
| Zdroj: | In Journal of Wilderness Medicine February 1993 4(1):113-114 |
| Databáze: | ScienceDirect |
| Externí odkaz: |
|