000			00584nam a22002057a 4500
999			_c175724 _d175723
005			20230926152526.0
008			230619b ||||| |||| 00| 0 eng d
020			_a0130908533
041			_aEN
082			_223 _a004.6 _bBLA
100			_aBlack, Uyless D.
245			_aData communications and distributed networks
250			_a3rd ed.
260			_aLondon _bPrentice - Hall International, Inc _c1993
300			_axvi, 426 p.
650		4	_93783 _aComputer networks.
650		4	_94497 _aData transmission systems
650		4	_95644 _aElectronic data processing
942			_cS