(NpRIRODNYE PIGMENTY (B/s - (NwAJN[TEJN(B, (N|MMANUIL sOLOMONOWI^(B.s ((NmOSKWA (B: s (NgOSGEOLTEHIZDAT(B, s, 1962)
Keywords: (NpIGMENTY MINERALXNYE (B- (NmESTOROVDENIQ (B- (NpOISKI I RAZWEDKA s