000 00281nam a2200109Ia 4500
100 _aBogoroditsky N. P; Pasynkov V. V & Tareev B. M
942 _cBK
245 _aElectrical engineering materials
260 _aMir Publishers, Moscow
_c1985
082 _a620.11297 Bog
300 _a360
999 _c15821
_d15821