000 00305nam a2200121Ia 4500
008 200701s2013 xx 000 0 eng d
100 _aWu Chwan Hwa
245 0 _aIntroduction to computer networks & cybersecurity
250 _a1
260 _bNewyork& CRC press
_c2013
300 _a1336
942 _2ddc
_cBO
999 _c5877
_d5877