(NkRATKIJ U^EBNIK KRISTALLOGRAFII (B/ s - (NzEMQT^ENSKIJ(B, (NpETR aNDREEWI^ s ((NpETERBURG (B: s (NaKAD(B. (NIZD(B-(NWO(B,s, 1921)
Keywords: (NkRISTALLOGRAFIQs