(NsOKRA]ENNYJ KURS PETROGRAFII (B:s (Nu^EBNOE POSOBIE (B/s - (NlU^ICKIJ(B, (Nw(B.(Ni(B.s ((NmOSKWA (B;s (NlENINGRAD (B:s (NuGLETEHIZDAT(B,s, 1948)
Keywords: (NpETROGRAFIQs