000			00365nam a2200169Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78E+12
082			_a4
082			_b64 HAL
100			_a"Hallberg, Bruce A"
245		0	_aNetworking A Beginner's
250			_aFourth
260			_aNew Delhi
260			_bTMH
260			_c2005
300			_axvii-455
999			_c45744 _d45744