Protection of forest ecosystems : selected problems of forestry in Sudety mountains
1994
Paschalis, Piotr |
Zajaczkowski, Stefan |
Paschalis, Piotr
Protected of forest ecosystems : selected problems of forestry in Sudety Mountains
1994
Paschalis, Piotr |
Zajaczkowski, Stefan |
Protection of forest ecosystems biodiversity of Bialowieza primeval forest
1995
Paschalis, Piotr |
Rykowski, Kazimierz |
Zajaczkowski, Stefan |