000			00333nam a2200133Ia 4500
008			210901s1998 xx 000 0 eng d
082			_a621.381 CHO
100			_aChoudhary, D.Roy
245		0	_aNetworks and systems
260			_aNew Delhi _bNew Age International _c1998
300			_a926
650			_aEngineering
942			_2ddc _cBK
999			_c25510 _d25510