TY  - BOOK
AU  - KRISHNA KUMAR D.N
TI  - TELECOMMUNICATION AND SWITCHING
SN  - 978-8188849200
U1  - 621.387 
PY  - 2006///
CY  - BANGALORE
PB  - SANGUINE TECHNICAL PUB
KW  - "Telephone switching systems, Electronic"
ER  -