Authors
Vasyl Voitiuk
Lesya Ukrainka Eastern European National University, Biology Faculty, Department of Forestry and Landscaping, Lutsk, Ukraine
Valentyna Andreieva
Lesya Ukrainka Eastern European National University, Biology Faculty, Department of Forestry and Landscaping, Lutsk, Ukraine
Oleksandr Kychyliuk
Lesya Ukrainka Eastern European National University, Biology Faculty, Department of Forestry and Landscaping, Lutsk, Ukraine
Anatolii Hetmanchuk
Lesya Ukrainka Eastern European National University, Biology Faculty, Department of Forestry and Landscaping, Lutsk, Ukraine
Marcin Klisz
Forest Research Institute, Department of Silviculture and Genetics of Forest Trees, Raszyn, Poland
Vasyl Mohytych
Forest Research Institute, Department of Silviculture and Genetics of Forest Trees, Raszyn, Poland