(NmASS(B-(NSPEKTROSKOPIQ (B/s - (NrIK(B, (Ng(B.(Nr(B.s; (NlUKIRSKIJ(B, (Np(B.(Ni(B.s ((NmOSKWA (B:s (NgOSTEHIZDAT(B,s, 1953)
Keywords: (NfIZIKAs