(NwNE[NQQ TORGOWLQ sssr(B:s (NSTATISTI^ESKIJ SBORNIK(B/s (NW (B1963(NG(B.s ((Nm(B.:s (NwNE[TORGIZDATs, 1964)
Keywords: (NwNE[NQQ TORGOWLQ sssrs -- (NsTATISTIKAs