000 00308nam a2200121Ia 4500
008 220201s1993 xx 000 0 eng d
082 _bKEN
_a621.382
100 _aKennedy, George
245 0 _aElectronic communication systems
260 _aNew Delhi
_bTata Mcgrow hill
_c1993
300 _a741
942 _2ddc
999 _c26302
_d26302