TY  - BOOK
AU  - Held, Gilbert
TI  - Understanding data communications
SN  - 9788131708729 (pbk)
U1  - 004.6 
PY  - 2002///
CY  - New Delhi
PB  - Pearson Education
KW  - Data communication
KW  - Computer networks
KW  - Data transmission
KW  - Analog modulation
KW  - Digital transmission
KW  - Transmission channels
KW  - Network design
KW  - Satellite communication
KW  - Computer software
KW  - FC
N1  - Includes bibliographical references and index
ER  -