000 00309nam a2200121Ia 4500
005 20260205054544.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a621.382 K382E
245 0 _aElectronic Communication Systems
260 _aNew Delhi
_bTata McGrawHill
_c2003
300 _a762p.
942 _cBK
999 _c140196
_d140196