TY  - BOOK
AU  - Stallings,William Walter
TI  - Data and computer communications
U1  - 004.6 
PY  - 2007///
CY  - Upper Saddle River, NJ
PB  - Pearson/Prentice Hall
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes bibliographical references and index
UR  - http://10.6.3.1/Book/Contents/224789.pdf
ER  -