000			00481nam a2200157Ia 4500
005			20260205060249.0
008			260111s9999||||xx |||||||||||||| ||und||
020			_a9780070634145
082			_a004.6 F769D
100			_aForouzan, Behrouz A.
245		0	_aData communications and networking
260			_aLondon _bTata mcGraw hill pub. _c2009
300			_a1134p.
690			_aData communication ;Computer networks ;Data transmission system ;Digital trasmission
942			_cBK
999			_c165584 _d165584