000			00561nam a2200217Ia 4500
001			21474
005			20250221151704.0
008			250214s9999||||xx |||||||||||||| ||und||
020			_a9812400583
100			_aMiller, Michael A
245		0	_aData and network communications
260			_aNew Delhi
260			_bViskas Publishing Hourse
260			_c2000
300			_axii, 522p. : ill. :
500			_aIncludes Index.
650			_aComputer networks
650			_aData communication
650			_aOSI -- Open system interconnections
942			_cBK
999			_c37440 _d37440