Amplitude and frequency characteristics of ultrasonic signal on reflection from a tilted plane / Vladimír Madola. -- Bibliografické odkazy. In: BioPhys Spring 2022. -- 1st ed.. -- 120 s.. -- 978-83-89969-74-3 BioPhys Spring 2022. -- Lublin : Institute of Agrophysics Polish Academy of Sciences, 2022. -- S. 69-70. ultrazvuk * akustický výkon * frekvencie