(NoPREDELENIE MIKROKOLI^ESTW LANTANOIDOW PO L@MINESCENCII KRISTALLOFOSFOROW (B/s - (NpOLU\KTOW(B, (NnIKOLAJ sERGEEWI^s; (NeFR@[INA(B, (NnINELX pETROWNAs; (NgAWA(B, (NsWETLANA aLEKSEEWNAs; (NiNSTITUT OB]EJ I NEORGANI^ESKOJ HIMII an ussrs ((NkIEW (B:s (NnAUK(B. (NDUMKA(B,s, 1976)
Keywords: (NrEDKOZEMELXNYE \LEMENTYs -- (NoPREDELENIEs