000			nam a22 7a 4500
999			_c11333 _d11333
005			20210827151733.0
008			210827b xxu||||| |||| 00| 0 eng d
082			_a621.381 COA
100			_aCoates,R.F.W.
245			_aModern Communication Systems
250			_a2nd ed.
260			_aNew Delhi _bMacmillan _c1983
300			_aXII,398p.
942			_2ddc _cDB