000			00613nam a2200193Ia 4500
008			161214s9999 xx 000 0 und d
020			_a8120328469 _c(pbk)
082			_223 _a004.6 _bGUP
100			_aGupta, Prakash C.
245		0	_aData communications and computer networks
260			_aNew Delhi: _bPrentice Hall of India, _c2006
300			_axxvii, 800 p.; _bill., index: _c24 cm.
650			_aComputer networks
650			_adata communications
650			_aData transmission systems
650			_aData transmission systems -- Congresses
650			_aOSI (Computer network standard)
942			_2ddc _cBK
999			_c6973 _d6973