000 00443nam a22001817a 4500
999 _c64474
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005 20201201122539.0
008 201124b ||||| |||| 00| 0 eng d
082 _a621.38151 S452E
100 _aSeely, Samuel
245 _aElectron Tube Circuits
250 _a2nd
260 _aNew Delhi
_bTata MacGraw Hill
_c1980
300 _a695p.
650 _aElectron Devices
650 _aPower Supplies
650 _aDemodulation
942 _cSW