(NdEMOGRAFIQ I SOCIALXNAQ GIGIENA (B/s - (NtOMILIN(B, (NsERGEJ aRKADXEWI^s ((NmOSKWA (B:s (NsTATISTIKA(B,s, 1973)
Keywords: (NoB]AQ STATISTIKA(B, (NDEMOGRAFIQs