1. Лісняк А.А., Вілчек Д., Міхаелі Е. REGULARITIES OF ECOLOGOCAL DIFFERENTIATION OF THE SOILS COVER IN THE EAST-SLOVAKIAN LOWLANDS // Visnyk of V. N. Karazin Kharkiv National University series «Еcоlogy». 2015. № 1104. C. 111-116.