(NbYTOWYE AKUSTI^ESKIE SISTEMYs - (NiOFE(B,(Nw(B. (Nk(B.s (NwIKTOR kIWOWI^s; (NlIZUNKO(B,(Nm(B. (Nw(B.s (NmARK wIKTOROWI^s ((Nm(B.s (NrADIO I SWQZXs, 1984)