(NgUCULX]INA(B.s (N~(B. 1-2, /s - (N{UHEWI^(B, (Nw(B.(No(B.s ((NwERHOWINA (B:s (NgUCULX]INA(B,s, 1997)
Keywords: (NeTNOGRAF)QÆQs)E -- (NuKRA)QÇNA(B.s)E