Estimation of status of small rodents' natural populations from the transformed ecosystems of the Chornobyl exclusion zone according to the complex of biological indicators - A. I. Lypska; N. K. Rodionova; N. M. Riabchenko; O. O. Burdo; O. B. Hanzha; D. O. Vyshnevskyi; Kh. Ishiniva (Nuclear physics and atomic energy, 2020)