000 00291nam a2200133Ia 4500
100 _aSedov/E
650 _aElectrical Engineering
942 _cBK
245 _aEntertaining Electronics
260 _bMir Publishers
_aMoscow
_c1973
082 _a621.3
300 _a351
546 _aENGLISH
999 _c20617
_d20617