000 00400nam a22001217a 4500
020 _a9788188849178
082 _a621.3813
100 _aSOMANATHAN NAIR
245 _aMicrowave engineering
260 _aBanglore
_bSanguine Technical publishers
_c2005
505 _aconventional vacuum tubes--microwave semiconductor device--masers and lasers--parametric amplifier--impedance matching--
942 _cBK
999 _c452746
_d452746