(NtO[NOTA(B.s (NsTENA(B: (NNOWELLY (B: (NPER(B. (NS FR(B./(Nv(B. -(Np(B. (NsARTRs - (NsARTR(B,(Nv(B.-(Np(B.s (NvAN(B-(NpOLXs ((Nh(B.s (NfOLIOs, 1999)