(NmETODI^ESKIE MATERIALY (B/s - (NaNDREEWA(B, (Nl(B.(Ng(B.s; (NcENTRALXNYJ aPTE^NYJ nAU^NO(B-(NISSLEDOWATELXSKIJ IN(B-(NTs ((NmOSKWA (B:s (NB(B.(NI(B.,s, 1962)
Keywords: (NaPTE^NAQ RABOTAs