000 00260pam a2200109a 44500
008 140414b2012 xxu||||| |||| 00| 0 eng d
100 _aCOMER , D E
245 _aComputer Networks and Internets
_c
250 _a2 Ed.
260 _adelhi
_bABC
_c2012
906 _a5358
999 _c5090
_d5090