000 00270nam a2200121Ia 4500
999 _c191
_d191
020 _a8131707393
100 _aComer D E Stevens D L
_9184
245 _aInternetworking with TCP/IP
250 _a2Ed
260 _bPearson Education
300 _a537p.
_bRs:350
490 _a0191