(NpRAKTI^ESKIE ZANQTIQ PO RISOWANI@ S NATURY (B:s (Nu^EBNOE POSOBIE (B/s - (NaZANOW(B, (Nm(B. (Ng(B.s ((NpERMX (B:s (Nb(B. (NI(B.,s, 1976)
Keywords: (NrISOWANIE S NATURYs