000 00390nam a22001457a 4500
005 20151217143907.0
008 100423t xxu||||| |||| 00| 0 eng d
080 _a621.316.54
_bMAR
100 _aMarcus, Mitchell P
_96688
245 _aSwitching circuits for engineers
260 _aNew Delhi
_bPHI
_c1969
300 _a338p.
653 _aSwitching circuits
942 _cBK
999 _c143090
_d143090