TY  - BOOK
AU  - D.Roy Choudhury
TI  - Network and Systems,Ed2
SN  - 0000108138
U1  - 621.382 
PY  - 2010///
CY  - New Delhi
PB  - New Age
KW  -  Systems,Ed2
KW  - Network
KW  - Telegraphy(621.382)
ER  -