000 00305nam a2200109Ia 4500
008 220120s9999||||xx |||||||||||||| ||und||
100 _aKennedy, George David, Bernard
245 0 _aElectronic communications systems
260 _aTata mcgraw hill
_bBangalore
_c2005
300 _b285
650 _aMATHEMATICS
999 _c132044
_d132044