(NwOPROSY ESTESTWENNYH I TEHNI^ESKIH NAUK (B((NmATERIALY (B1-(NOJ NAU^NO(B-(NMETODI^ESKOJ KONFERENCII (B1972 (NGODA(B) /s - (NsTAWROW(B, (NwASILIJ pETROWI^s ((NgOMELX (B:s (Nb(B. (NI(B.,s, 1973)
(Nm(B-(NWO WYS[(B. (NI SRED(B. (NSPEC(B. (NOBRAZOWANIQ bssrs
Keywords: (NeSTESTWENNYE I TEHNI^ESKIE NAUKIs