000 00438nam a2200157Ia 4500
008 170901s1970 xx 000 0 und d
082 _a621.316
_bK94E
100 _aKoritsky, Yu
245 0 _aElectrical Engineering Materials
260 _aMoscow
_bMir Publishers
_c1970
300 _a350
650 _aEngineering and allied operations
650 _aTechnology (Applied sciences)
653 _aElectric engineering
942 _2ddc
_cBK
999 _c11568
_d11568