000 00409nam a2200157Ia 4500
008 230312s9999||||xx |||||||||||||| ||und||
020 _a81-219-2315-8
082 _a621.38154
_bGUP-E
100 _aGupta,B.R
245 0 _aElectronics and Instrumentation
260 _bS.Chand
_aIndia
_c1999
300 _a521
546 _aEng.
650 _aEngineering
_vElectrinoc tubes,Semiconductors Devices
942 _cBK
999 _c1701
_d1701