000 00351 a2200157 4500
082 _a004.678
_bGRA
090 _c23985
_d56227
100 _aGralla, Preston
245 _aHow the internet works
250 _a1st ed.
260 _c2000
650 _aInternet
650 _aData processing
650 _aInterfacing and communications
942 _cL
999 _c51147
_d51147