(NfIZIKO(B-(NHIMI^ESKIE PREWRA]ENIQ KREMNEZEMA W USLOWIQH METAMORFIZMA (B/s - (NmIC@K(B, (NbORIS mATWEEWI^s; (NgOROGOCKAQ(B, (Nl@DMILA iWANOWNAs; (NiNSTITUT GEOHIMII I FIZIKI MINERALOW an ussrs ((NkIEW (B:s (NnAUKOWA DUMKA(B,s, 1980)
Keywords: (NmETAMORFIZMs