TY  - BOOK
AU  - Patranabis, D 
TI  - Telemetry principles 
SN  - 0-07-463795-9 
U1  - 621.385 7 PAT  
PY  - 1999///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - TELEPHONY
ER  -