TY JOUR TI Frequency-time analysis of underwater sounds of marine mammals. Baleen whale KW marine mammal sounds KW phase velocity dispersion KW dispersion distortions KW normal modes KW time-frequency analysis JO Russian Journal of Biological Physics and Chemisrty AU Lisyutin, V.A. AU Lastovenko, O.R. AU Degtyar, A.D. AU Yaroshenko, A.A. AU Petrenko, N.V. AU Luchin, V.L. AU Rybakova, K.A. AU Papkov, S.O. PY 2020 IS 5 PB Federal State Educational Institution of Higher Education Sevastopol State University