000 003290000a22001450004500
245 _aPractical electronic devices
100 _aRoy, Arup K.
260 _aDelhi
_bB.P.B. Pub.
_c1980
300 _a31p.
080 _a621.38:689
_bR6
650 _aELECTRONIC DEVICES
650 _aELECTRONICS
041 _aEN
942 _cBK
999 _c33525
_d33525