(NvIDKIE KRISTALLYs - (NkRA[ENINNIKOW(B,(Na(B. (Ni(B.s (NaLEKSANDR iWANOWI^s; (N{ABOLDIN(B,(Nw(B. (Np(B.s (NwLADIMIR pETROWI^s ((Nm(B.s (NzNANIEs, 1987)
Keywords: (NkAU^UK VIDKIJs