000			00306nam a22001217a 4500
008			180515b xxu||||| |||| 00| 0 eng d
041			_aeng
080			_a043.3
100			_a0
101			_aSHKI-BTH
245			_aImplementing network security at Layer 2 and Layer 3 OSI model _cGashi,L
942			_2udc _cBK
999			_c45791 _d45791