000			00319nam a2200145Ia 4500
008			241124s9999 xx 000 0 und d
100			_aMaiwald, Eric
245		0	_aNetwork Security: A Beginner`s Guide
245		0	_b10
250			_a2
260			_bTata McGraw Hill
260			_c2003
300			_a475
942			_cBK
999			_c4537 _d4537