Sheina, I.V., Kiselov, O.B. and Barannik, E.A. 2020. Power Spectra of Doppler Response Signals from Biological Objects Using Synthetic Aperture Ultrasound. East European Journal of Physics. 4 (Nov. 2020), 5-12. DOI:https://doi.org/10.26565/2312-4334-2020-4-01.