1. Econetwork of Bukovinian Carpathians: Basic Structural Elements and Their Characteristics.;Chornei;Research Bulletin of Chernivtsi University,2002
2. 3. Didukh, Ya.P., Kryzhanivska, O.T., Popovych, O.T., and Voitiuk, Yu.O. (2001). Ecological Trail. Guidelines for Ecological Trail Creation. Kyiv (in Ukrainian).
3. The Lisnyky National Botanic Wildlife Sanctuary.;Andrienko;Ecumene,1994
4. 6. Boreiko, V.E. (1996). A Path towards Wildlife Sanctuary. Moscow: Mysl (in Russian).
5. 7. Along the Paths of Podollian Wildlife Sanctuaries. (2003). In Oliinyk, Ya, B. Kyiv: Nika-Center (in Ukrainian).