(NgRAF mONTE(B-(NkRISTO (B:s (NPER(B. (NS FR(B.s (Nt(B. 1 /s - (Nd@MA a(B.s; (Nd@MA(B, (Na(B.s ((NmOSKWA (B:s (NgOSLITIZDAT(B,s, 1955)