000 00447nam a22001697a 4500
003 NUST - PNEC
005 20170116181036.0
008 150907b xxu||||| |||| 00| 0 eng d
020 _a0070279802
040 _cLIBRARY
082 _a621.38153 HEL
100 _98906
_a Helms, Harry L.
245 _aContemporary electronics circuits deskbook
_cHarry L. Helms
260 _cc.1987
650 _98908
_aElectronic circuits
_xEL
942 _2ddc
_cBK
999 _c67925
_d67925