(NiZMERENIE POKAZATELEJ PRELOMLENIQ POD MIKROSKOPOM IMMERSIONNYM METODOM (B/ s - (NmELANHOLIN(B, (NnIKOLAJ mITROFANOWI^s ((NmOSKWA (B;s (NlENINGRAD (B:s (Nan sssr(B,s, 1949)
(NbIBLIOGR(B.: (NS(B. 97-100 s
Keywords: (NmINERALY (B- (NmIKROSKOPI^ESKIE ISSLEDOWANIQ (B- (NiMMERSIONNYJ METODs; (NaNALITI^ESKAQ HIMIQ (B- (NoPTI^ESKIE METODYs