000 00271nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aDennis (Alan)
245 0 _aBusiness Data Communication and Networking
250 _a1
260 _bJOHN WILEY
942 _2ddc
_cSCIENCE
999 _c19098
_d19098