000			00322nam a2200133Ia 4500
100			_aMarcus , Goncalves
020			_a0-07-463972-2
654			_aComputer Science
942			_cBK
245			_aFirewalls : a complete guide
260			_aTata McGraw Hill, New Delhi _c2000
082			_a001.5436 Gon
300			_axxiii,680
999			_c25902 _d25902