TY  - BOOK
AU  - ComerDouglas E
TI  - Computer networks and internets / 
SN  - 9780135045831
AV  - TK 5105 .5.C5897 2009
PY  - 2009///
CY  - Upper Saddle River, N.J . : 
PB  - Pearson/Prentice Hall
N1  - Includes bibliographical references and index
ER  -