TY  - BOOK
AU  - Stallings,William
TI  - Data and computer communications
SN  - 8120323556
U1  - 004.6 
PY  - 2003///
CY  - New Delhi
PB  - Prentice-Hall
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes bibliographies and index
ER  -