000			00325nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78818E+12
100			_aComer Douglas E
245		0	_aInternetworking with TCP
250			_aSecond
260			_aNew Delhi
260			_bPHI
260			_c2001
300			_a"xx, 515"
999			_c17302 _d17302