000			00408nam a2200157Ia 4500
008			180712s9999 xx 000 0 und d
020			_a9788120310414
082			_a4.6 _bBLA
100			_aBLACK, U.
245			_aComputer Networks: protocols, standards, and interfaces
250			_a2nd ed.
260			_aNew Delhi _bPHI Learning _c2010
300			_axii, 436p.
650			_aComputer networks
942			_cR
999			_c9458 _d9458