000 00305nam a2200133Ia 4500
008 210901s1980 xx 000 0 eng d
082 _a621.38132 FRO
100 _aFrolkin, V.T.
245 0 _aPulse circuits
260 _aMoscow
_bMIR
_c1980
300 _a390
650 _aEngineering
942 _2ddc
_cBK
999 _c16743
_d16743