TY  - BOOK
AU  - Rangan, C.S Sarma, C.R & Mani, V.S.V 
TI  - Instrumentation devices and systems 
SN  - 0-07-483350-3 
U1  - 621.37 RAG  
PY  - 2001///
CY  - Tata mcgraw hill 
PB  - New Delhi 
KW  - INSTRUMENT AND MEASURMENTATION
ER  -