000			00419nam a22001697a 4500
003			OSt
008			230328b ||||| |||| 00| 0 eng d
020			_a9788120311183
082			_bGUP _a004.6
100			_aGupta, Prakash C.
245			_aData communications
260			_aNew Delhi: _bPHI, _c©2001
300			_axiii, 475p.
650			_aComputer networks
650			_aData transmission systems
942			_2ddc _cBK
999			_c9484 _d9484