000 00572nam a22002417a 4500
015 _a4754
020 _a0435683357
041 _a1
080 _a621.38
_bNEL
080 _a621.396
_bNEL
100 _aNelkon, M.
100 _aHumphreys, H.I.
245 _aElectronics and Radio
250 _a3rd
260 _aHeinemann Educational Books
_bLondon
_c1969
300 _a362p.
_bFig., Chart, Table
650 _aEngineering
852 _a2L-1-2
999 _c2472
_d2472