1. 1. Bahnov, V. K., Gamsikov, G. P., Ilin, V.B. (1988). Metodologicheskie i metodicheskie aspektyi pochvovedeni [Methodological and methodic aspects of the pedology]. Novosibirsk (in Russian).
2. 2. Bushnell, T.M. (1942). Some aspects of the soil catena concept. Soil Sci. Soc. Am. Proc., 466-476.
3. 3. Diduh, Y. P. (2008). Etudes of the phytoecology. Kyiv: Apistey.
4. River valleys as the object of ecological and geobotanical research;Didukh;Ukr Bot J,2015
5. 5. Fridland, V. M. (1972). Struktura pochvennogo pokrova [Structure of the soil cover]. Moscow, Misl (in Russian).