(NmETODY ISSLEDOWANIE (B/s - (NrYBAKOWSKIJ(B, (NlEONID lEONIDOWI^s ((NmOSKWA (B:s (NmYSLX(B,s, 1986)
(NbIBLIOGR(B.: (NS (B170-179s
Keywords: (NdEMOGRAFIQ (B- (NsBORNIKIs