(NfIZIKO(B-(NHIMI^ESKIE OSNOWY REDKOMETALLXNOGO SYRXQ (B/s - (NiNSTITUT HIMII I TEHNOLOGII REDKIH \LEMENTOW I MINERAQLXNOGO SYRXQ(B.s (NaKADEMIQ NAUK sssrs ((NaPATITY (B:s (Nb(B/(NI(B,s, 1983)
Keywords: (NrEDKOZEMELXNYE METALLYs