(NuSPEHI FIZIKI I HIMII SILIKATOW (B/s - (N{ULXC(B, (Nm(B.(Nm(B.s; (NiNSTITUT HIMII SILIKATOW IM(B. (Ni(B.(Nw(B. (NgREBEN]IKOWA an sssrs ((NlENINGRAD (B:s (NnAUKA(B,s, 1978)
(NpAMQTI n(B.(Na(B. (NtOROPOWAs
Keywords: (NtOROPOW(B, (NnIKITA aLEKSANDROWI^(B.s; (NsILIKATYs