000 00293nam a2200121Ia 4500
100 _aGUPTA.S
365 _cRS
365 _d1
942 _cMCABK
245 _aElectronics Communication - II :Electronic Communication system,module -3
260 _bIMPACT,
_c2002
_aNew Delhi
300 _a226 pp
999 _c34548
_d34548