000 00320nam a2200133Ia 4500
008 210901s1984 xx 000 0 eng d
082 _a621.381 SED
100 _aSedov, E.
245 0 _aEntertaining electronics
260 _aMascow
_bMIR Publishers
_c1984
300 _a351
650 _aEngineering
942 _2ddc
_cBK
999 _c18134
_d18134