(NbIOLOGIQ (B:s (NsPRAWO^NYE MATERIALY(B: (Nu^EBNOE POSOBIE (B/s - (NtRAJTAKA(B, (Nd(B.(Ni(B.s ((NmOSKWA (B:s (NpROSWE]ENIE(B,s, 1987)