Kizilova, N.M., Svietlichny, O.V. and Chujko, V.V. 2020. Investigation of the relationship between fractal and hydraulic properties of porous structures of the upper respiratory tract of some Arctic animals. Bulletin of V.N. Karazin Kharkiv National University, series «Mathematical modeling. Information technology. Automated control systems». 46, (Jun. 2020), 17-24. DOI:https://doi.org/10.26565/2304-6201-2020-46-02.